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Finding the Fourth Proportional to 498,907.91, 748,657.15 and 183,586.25

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Solution

The fourth proportional to 498,907.91, 748,657.15 and 183,586.25 is: 275,488.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,907.91 : 748,657.15 = 183,586.25 : x
  2. Step 2: Convert to fraction form
    498,907.91/748,657.15 = 183,586.25/x
  3. Step 3: Cross multiply
    498,907.91x = 748,657.15 × 183,586.25
  4. Step 4: Simplify right side
    498,907.91x = 137,443,158,704.19
  5. Step 5: Solve for x
    x = 137,443,158,704.19/498,907.91
  6. Step 6: Final answer
    x = 275,488.03

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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.