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Finding the Fourth Proportional to 656,242.40, 984,363.60 and 235,463.60

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Solution

The fourth proportional to 656,242.40, 984,363.60 and 235,463.60 is: 353,195.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,242.40 : 984,363.60 = 235,463.60 : x
  2. Step 2: Convert to fraction form
    656,242.40/984,363.60 = 235,463.60/x
  3. Step 3: Cross multiply
    656,242.40x = 984,363.60 × 235,463.60
  4. Step 4: Simplify right side
    656,242.40x = 231,781,796,964.96
  5. Step 5: Solve for x
    x = 231,781,796,964.96/656,242.40
  6. Step 6: Final answer
    x = 353,195.40

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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.