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Finding the Fourth Proportional to 475,839.96, 656,675.87 and 260,980.89

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Solution

The fourth proportional to 475,839.96, 656,675.87 and 260,980.89 is: 360,162.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,839.96 : 656,675.87 = 260,980.89 : x
  2. Step 2: Convert to fraction form
    475,839.96/656,675.87 = 260,980.89/x
  3. Step 3: Cross multiply
    475,839.96x = 656,675.87 × 260,980.89
  4. Step 4: Simplify right side
    475,839.96x = 171,379,851,689.22
  5. Step 5: Solve for x
    x = 171,379,851,689.22/475,839.96
  6. Step 6: Final answer
    x = 360,162.80

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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.