Home / 284,260.66-392,280.26-155,199.13

Finding the Fourth Proportional to 284,260.66, 392,280.26 and 155,199.13

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Solution

The fourth proportional to 284,260.66, 392,280.26 and 155,199.13 is: 214,175.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,260.66 : 392,280.26 = 155,199.13 : x
  2. Step 2: Convert to fraction form
    284,260.66/392,280.26 = 155,199.13/x
  3. Step 3: Cross multiply
    284,260.66x = 392,280.26 × 155,199.13
  4. Step 4: Simplify right side
    284,260.66x = 60,881,553,311.48
  5. Step 5: Solve for x
    x = 60,881,553,311.48/284,260.66
  6. Step 6: Final answer
    x = 214,175.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.