Home / 284,272.38-392,140.62-198,094.86

Finding the Fourth Proportional to 284,272.38, 392,140.62 and 198,094.86

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Solution

The fourth proportional to 284,272.38, 392,140.62 and 198,094.86 is: 273,262.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,272.38 : 392,140.62 = 198,094.86 : x
  2. Step 2: Convert to fraction form
    284,272.38/392,140.62 = 198,094.86/x
  3. Step 3: Cross multiply
    284,272.38x = 392,140.62 × 198,094.86
  4. Step 4: Simplify right side
    284,272.38x = 77,681,041,219.21
  5. Step 5: Solve for x
    x = 77,681,041,219.21/284,272.38
  6. Step 6: Final answer
    x = 273,262.71

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1.5x scale

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.