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Finding the Fourth Proportional to 575,470.55, 863,332.28 and 176,142.12

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Solution

The fourth proportional to 575,470.55, 863,332.28 and 176,142.12 is: 264,251.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,470.55 : 863,332.28 = 176,142.12 : x
  2. Step 2: Convert to fraction form
    575,470.55/863,332.28 = 176,142.12/x
  3. Step 3: Cross multiply
    575,470.55x = 863,332.28 × 176,142.12
  4. Step 4: Simplify right side
    575,470.55x = 152,069,177,182.92
  5. Step 5: Solve for x
    x = 152,069,177,182.92/575,470.55
  6. Step 6: Final answer
    x = 264,251.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.