Home / 429,866.28-645,297.60-230,575.92

Finding the Fourth Proportional to 429,866.28, 645,297.60 and 230,575.92

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Solution

The fourth proportional to 429,866.28, 645,297.60 and 230,575.92 is: 346,131.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,866.28 : 645,297.60 = 230,575.92 : x
  2. Step 2: Convert to fraction form
    429,866.28/645,297.60 = 230,575.92/x
  3. Step 3: Cross multiply
    429,866.28x = 645,297.60 × 230,575.92
  4. Step 4: Simplify right side
    429,866.28x = 148,790,087,793.79
  5. Step 5: Solve for x
    x = 148,790,087,793.79/429,866.28
  6. Step 6: Final answer
    x = 346,131.10

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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.