Home / 284,300.26-392,329.65-156,972.58

Finding the Fourth Proportional to 284,300.26, 392,329.65 and 156,972.58

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Solution

The fourth proportional to 284,300.26, 392,329.65 and 156,972.58 is: 216,619.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,300.26 : 392,329.65 = 156,972.58 : x
  2. Step 2: Convert to fraction form
    284,300.26/392,329.65 = 156,972.58/x
  3. Step 3: Cross multiply
    284,300.26x = 392,329.65 × 156,972.58
  4. Step 4: Simplify right side
    284,300.26x = 61,584,997,371.00
  5. Step 5: Solve for x
    x = 61,584,997,371.00/284,300.26
  6. Step 6: Final answer
    x = 216,619.56

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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.