Home / 603,148.40-905,068.20-229,439.60

Finding the Fourth Proportional to 603,148.40, 905,068.20 and 229,439.60

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Solution

The fourth proportional to 603,148.40, 905,068.20 and 229,439.60 is: 344,290.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,148.40 : 905,068.20 = 229,439.60 : x
  2. Step 2: Convert to fraction form
    603,148.40/905,068.20 = 229,439.60/x
  3. Step 3: Cross multiply
    603,148.40x = 905,068.20 × 229,439.60
  4. Step 4: Simplify right side
    603,148.40x = 207,658,485,780.72
  5. Step 5: Solve for x
    x = 207,658,485,780.72/603,148.40
  6. Step 6: Final answer
    x = 344,290.87

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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.