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Finding the Fourth Proportional to 487,222.40, 730,833.60 and 132,280.40

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Solution

The fourth proportional to 487,222.40, 730,833.60 and 132,280.40 is: 198,420.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,222.40 : 730,833.60 = 132,280.40 : x
  2. Step 2: Convert to fraction form
    487,222.40/730,833.60 = 132,280.40/x
  3. Step 3: Cross multiply
    487,222.40x = 730,833.60 × 132,280.40
  4. Step 4: Simplify right side
    487,222.40x = 96,674,960,941.44
  5. Step 5: Solve for x
    x = 96,674,960,941.44/487,222.40
  6. Step 6: Final answer
    x = 198,420.60

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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.