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Finding the Fourth Proportional to 155,605.66, 233,324.96 and 48,969.66

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Solution

The fourth proportional to 155,605.66, 233,324.96 and 48,969.66 is: 73,428.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,605.66 : 233,324.96 = 48,969.66 : x
  2. Step 2: Convert to fraction form
    155,605.66/233,324.96 = 48,969.66/x
  3. Step 3: Cross multiply
    155,605.66x = 233,324.96 × 48,969.66
  4. Step 4: Simplify right side
    155,605.66x = 11,425,844,590.83
  5. Step 5: Solve for x
    x = 11,425,844,590.83/155,605.66
  6. Step 6: Final answer
    x = 73,428.21

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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.