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Finding the Fourth Proportional to 216,000.10, 324,000.15 and 162,777.70

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Solution

The fourth proportional to 216,000.10, 324,000.15 and 162,777.70 is: 244,166.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,000.10 : 324,000.15 = 162,777.70 : x
  2. Step 2: Convert to fraction form
    216,000.10/324,000.15 = 162,777.70/x
  3. Step 3: Cross multiply
    216,000.10x = 324,000.15 × 162,777.70
  4. Step 4: Simplify right side
    216,000.10x = 52,739,999,216.66
  5. Step 5: Solve for x
    x = 52,739,999,216.66/216,000.10
  6. Step 6: Final answer
    x = 244,166.55

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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.