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Finding the Fourth Proportional to 242,706.12, 362,160.39 and 217,489.38

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Solution

The fourth proportional to 242,706.12, 362,160.39 and 217,489.38 is: 324,532.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,706.12 : 362,160.39 = 217,489.38 : x
  2. Step 2: Convert to fraction form
    242,706.12/362,160.39 = 217,489.38/x
  3. Step 3: Cross multiply
    242,706.12x = 362,160.39 × 217,489.38
  4. Step 4: Simplify right side
    242,706.12x = 78,766,038,681.66
  5. Step 5: Solve for x
    x = 78,766,038,681.66/242,706.12
  6. Step 6: Final answer
    x = 324,532.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.