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Finding the Fourth Proportional to 495,012.60, 742,399.84 and 228,517.24

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Solution

The fourth proportional to 495,012.60, 742,399.84 and 228,517.24 is: 342,720.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,012.60 : 742,399.84 = 228,517.24 : x
  2. Step 2: Convert to fraction form
    495,012.60/742,399.84 = 228,517.24/x
  3. Step 3: Cross multiply
    495,012.60x = 742,399.84 × 228,517.24
  4. Step 4: Simplify right side
    495,012.60x = 169,651,162,413.24
  5. Step 5: Solve for x
    x = 169,651,162,413.24/495,012.60
  6. Step 6: Final answer
    x = 342,720.90

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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.