Home / 284,572.14-392,717.48-157,255.94

Finding the Fourth Proportional to 284,572.14, 392,717.48 and 157,255.94

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Solution

The fourth proportional to 284,572.14, 392,717.48 and 157,255.94 is: 217,017.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,572.14 : 392,717.48 = 157,255.94 : x
  2. Step 2: Convert to fraction form
    284,572.14/392,717.48 = 157,255.94/x
  3. Step 3: Cross multiply
    284,572.14x = 392,717.48 × 157,255.94
  4. Step 4: Simplify right side
    284,572.14x = 61,757,153,721.96
  5. Step 5: Solve for x
    x = 61,757,153,721.96/284,572.14
  6. Step 6: Final answer
    x = 217,017.57

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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.