Home / 284,293.04-392,321.70-156,969.52

Finding the Fourth Proportional to 284,293.04, 392,321.70 and 156,969.52

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Solution

The fourth proportional to 284,293.04, 392,321.70 and 156,969.52 is: 216,616.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,293.04 : 392,321.70 = 156,969.52 : x
  2. Step 2: Convert to fraction form
    284,293.04/392,321.70 = 156,969.52/x
  3. Step 3: Cross multiply
    284,293.04x = 392,321.70 × 156,969.52
  4. Step 4: Simplify right side
    284,293.04x = 61,582,548,934.58
  5. Step 5: Solve for x
    x = 61,582,548,934.58/284,293.04
  6. Step 6: Final answer
    x = 216,616.45

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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.