Home / 312,867.86-431,731.05-176,882.93

Finding the Fourth Proportional to 312,867.86, 431,731.05 and 176,882.93

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Solution

The fourth proportional to 312,867.86, 431,731.05 and 176,882.93 is: 244,083.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,867.86 : 431,731.05 = 176,882.93 : x
  2. Step 2: Convert to fraction form
    312,867.86/431,731.05 = 176,882.93/x
  3. Step 3: Cross multiply
    312,867.86x = 431,731.05 × 176,882.93
  4. Step 4: Simplify right side
    312,867.86x = 76,365,850,937.32
  5. Step 5: Solve for x
    x = 76,365,850,937.32/312,867.86
  6. Step 6: Final answer
    x = 244,083.40

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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.