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Finding the Fourth Proportional to 398,165.60, 597,248.40 and 248,866.40

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Solution

The fourth proportional to 398,165.60, 597,248.40 and 248,866.40 is: 373,299.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,165.60 : 597,248.40 = 248,866.40 : x
  2. Step 2: Convert to fraction form
    398,165.60/597,248.40 = 248,866.40/x
  3. Step 3: Cross multiply
    398,165.60x = 597,248.40 × 248,866.40
  4. Step 4: Simplify right side
    398,165.60x = 148,635,059,213.76
  5. Step 5: Solve for x
    x = 148,635,059,213.76/398,165.60
  6. Step 6: Final answer
    x = 373,299.60

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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.