Home / 284,210.64-392,338.22-187,471.53

Finding the Fourth Proportional to 284,210.64, 392,338.22 and 187,471.53

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Solution

The fourth proportional to 284,210.64, 392,338.22 and 187,471.53 is: 258,794.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,210.64 : 392,338.22 = 187,471.53 : x
  2. Step 2: Convert to fraction form
    284,210.64/392,338.22 = 187,471.53/x
  3. Step 3: Cross multiply
    284,210.64x = 392,338.22 × 187,471.53
  4. Step 4: Simplify right side
    284,210.64x = 73,552,245,443.52
  5. Step 5: Solve for x
    x = 73,552,245,443.52/284,210.64
  6. Step 6: Final answer
    x = 258,794.83

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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.