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Finding the Fourth Proportional to 230,895.60, 346,343.40 and 142,249.20

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Solution

The fourth proportional to 230,895.60, 346,343.40 and 142,249.20 is: 213,373.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,895.60 : 346,343.40 = 142,249.20 : x
  2. Step 2: Convert to fraction form
    230,895.60/346,343.40 = 142,249.20/x
  3. Step 3: Cross multiply
    230,895.60x = 346,343.40 × 142,249.20
  4. Step 4: Simplify right side
    230,895.60x = 49,267,071,575.28
  5. Step 5: Solve for x
    x = 49,267,071,575.28/230,895.60
  6. Step 6: Final answer
    x = 213,373.80

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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.