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Finding the Fourth Proportional to 475,851.86, 656,699.62 and 261,011.92

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Solution

The fourth proportional to 475,851.86, 656,699.62 and 261,011.92 is: 360,209.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,851.86 : 656,699.62 = 261,011.92 : x
  2. Step 2: Convert to fraction form
    475,851.86/656,699.62 = 261,011.92/x
  3. Step 3: Cross multiply
    475,851.86x = 656,699.62 × 261,011.92
  4. Step 4: Simplify right side
    475,851.86x = 171,406,428,679.47
  5. Step 5: Solve for x
    x = 171,406,428,679.47/475,851.86
  6. Step 6: Final answer
    x = 360,209.64

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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.