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Finding the Fourth Proportional to 230,644.40, 345,966.60 and 97,620.80

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Solution

The fourth proportional to 230,644.40, 345,966.60 and 97,620.80 is: 146,431.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,644.40 : 345,966.60 = 97,620.80 : x
  2. Step 2: Convert to fraction form
    230,644.40/345,966.60 = 97,620.80/x
  3. Step 3: Cross multiply
    230,644.40x = 345,966.60 × 97,620.80
  4. Step 4: Simplify right side
    230,644.40x = 33,773,536,265.28
  5. Step 5: Solve for x
    x = 33,773,536,265.28/230,644.40
  6. Step 6: Final answer
    x = 146,431.20

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1.5x scale

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.