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Finding the Fourth Proportional to 565,135.80, 847,703.70 and 144,444.60

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Solution

The fourth proportional to 565,135.80, 847,703.70 and 144,444.60 is: 216,666.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,135.80 : 847,703.70 = 144,444.60 : x
  2. Step 2: Convert to fraction form
    565,135.80/847,703.70 = 144,444.60/x
  3. Step 3: Cross multiply
    565,135.80x = 847,703.70 × 144,444.60
  4. Step 4: Simplify right side
    565,135.80x = 122,446,221,865.02
  5. Step 5: Solve for x
    x = 122,446,221,865.02/565,135.80
  6. Step 6: Final answer
    x = 216,666.90

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.