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Finding the Fourth Proportional to 437,454.40, 656,181.60 and 105,030.40

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Solution

The fourth proportional to 437,454.40, 656,181.60 and 105,030.40 is: 157,545.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,454.40 : 656,181.60 = 105,030.40 : x
  2. Step 2: Convert to fraction form
    437,454.40/656,181.60 = 105,030.40/x
  3. Step 3: Cross multiply
    437,454.40x = 656,181.60 × 105,030.40
  4. Step 4: Simplify right side
    437,454.40x = 68,919,015,920.64
  5. Step 5: Solve for x
    x = 68,919,015,920.64/437,454.40
  6. Step 6: Final answer
    x = 157,545.60

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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.