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Finding the Fourth Proportional to 344,651.50, 517,014.34 and 144,992.20

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Solution

The fourth proportional to 344,651.50, 517,014.34 and 144,992.20 is: 217,503.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,651.50 : 517,014.34 = 144,992.20 : x
  2. Step 2: Convert to fraction form
    344,651.50/517,014.34 = 144,992.20/x
  3. Step 3: Cross multiply
    344,651.50x = 517,014.34 × 144,992.20
  4. Step 4: Simplify right side
    344,651.50x = 74,963,046,588.15
  5. Step 5: Solve for x
    x = 74,963,046,588.15/344,651.50
  6. Step 6: Final answer
    x = 217,503.90

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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.