Home / 284,288.04-392,314.80-156,964.52

Finding the Fourth Proportional to 284,288.04, 392,314.80 and 156,964.52

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Solution

The fourth proportional to 284,288.04, 392,314.80 and 156,964.52 is: 216,609.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,288.04 : 392,314.80 = 156,964.52 : x
  2. Step 2: Convert to fraction form
    284,288.04/392,314.80 = 156,964.52/x
  3. Step 3: Cross multiply
    284,288.04x = 392,314.80 × 156,964.52
  4. Step 4: Simplify right side
    284,288.04x = 61,579,504,270.90
  5. Step 5: Solve for x
    x = 61,579,504,270.90/284,288.04
  6. Step 6: Final answer
    x = 216,609.55

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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.