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Finding the Fourth Proportional to 397,532.40, 595,837.80 and 160,719.60

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Solution

The fourth proportional to 397,532.40, 595,837.80 and 160,719.60 is: 240,893.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,532.40 : 595,837.80 = 160,719.60 : x
  2. Step 2: Convert to fraction form
    397,532.40/595,837.80 = 160,719.60/x
  3. Step 3: Cross multiply
    397,532.40x = 595,837.80 × 160,719.60
  4. Step 4: Simplify right side
    397,532.40x = 95,762,812,880.88
  5. Step 5: Solve for x
    x = 95,762,812,880.88/397,532.40
  6. Step 6: Final answer
    x = 240,893.10

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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.