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Finding the Fourth Proportional to 360,015.60, 539,591.40 and 149,545.20

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Solution

The fourth proportional to 360,015.60, 539,591.40 and 149,545.20 is: 224,138.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,015.60 : 539,591.40 = 149,545.20 : x
  2. Step 2: Convert to fraction form
    360,015.60/539,591.40 = 149,545.20/x
  3. Step 3: Cross multiply
    360,015.60x = 539,591.40 × 149,545.20
  4. Step 4: Simplify right side
    360,015.60x = 80,693,303,831.28
  5. Step 5: Solve for x
    x = 80,693,303,831.28/360,015.60
  6. Step 6: Final answer
    x = 224,138.35

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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.