Home / 284,569.20-392,702.04-157,242.06

Finding the Fourth Proportional to 284,569.20, 392,702.04 and 157,242.06

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Solution

The fourth proportional to 284,569.20, 392,702.04 and 157,242.06 is: 216,992.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,569.20 : 392,702.04 = 157,242.06 : x
  2. Step 2: Convert to fraction form
    284,569.20/392,702.04 = 157,242.06/x
  3. Step 3: Cross multiply
    284,569.20x = 392,702.04 × 157,242.06
  4. Step 4: Simplify right side
    284,569.20x = 61,749,277,735.80
  5. Step 5: Solve for x
    x = 61,749,277,735.80/284,569.20
  6. Step 6: Final answer
    x = 216,992.13

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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.