Home / 284,828.89-393,056.09-157,500.13

Finding the Fourth Proportional to 284,828.89, 393,056.09 and 157,500.13

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Solution

The fourth proportional to 284,828.89, 393,056.09 and 157,500.13 is: 217,345.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,828.89 : 393,056.09 = 157,500.13 : x
  2. Step 2: Convert to fraction form
    284,828.89/393,056.09 = 157,500.13/x
  3. Step 3: Cross multiply
    284,828.89x = 393,056.09 × 157,500.13
  4. Step 4: Simplify right side
    284,828.89x = 61,906,383,502.15
  5. Step 5: Solve for x
    x = 61,906,383,502.15/284,828.89
  6. Step 6: Final answer
    x = 217,345.87

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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.