Home / 434,030.30-651,231.46-223,815.86

Finding the Fourth Proportional to 434,030.30, 651,231.46 and 223,815.86

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Solution

The fourth proportional to 434,030.30, 651,231.46 and 223,815.86 is: 335,819.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,030.30 : 651,231.46 = 223,815.86 : x
  2. Step 2: Convert to fraction form
    434,030.30/651,231.46 = 223,815.86/x
  3. Step 3: Cross multiply
    434,030.30x = 651,231.46 × 223,815.86
  4. Step 4: Simplify right side
    434,030.30x = 145,755,929,278.96
  5. Step 5: Solve for x
    x = 145,755,929,278.96/434,030.30
  6. Step 6: Final answer
    x = 335,819.71

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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.