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Finding the Fourth Proportional to 498,540.30, 747,810.45 and 166,116.30

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Solution

The fourth proportional to 498,540.30, 747,810.45 and 166,116.30 is: 249,174.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,540.30 : 747,810.45 = 166,116.30 : x
  2. Step 2: Convert to fraction form
    498,540.30/747,810.45 = 166,116.30/x
  3. Step 3: Cross multiply
    498,540.30x = 747,810.45 × 166,116.30
  4. Step 4: Simplify right side
    498,540.30x = 124,223,505,055.34
  5. Step 5: Solve for x
    x = 124,223,505,055.34/498,540.30
  6. Step 6: Final answer
    x = 249,174.45

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