Home / 429,344.04-644,311.28-148,861.28

Finding the Fourth Proportional to 429,344.04, 644,311.28 and 148,861.28

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Solution

The fourth proportional to 429,344.04, 644,311.28 and 148,861.28 is: 223,394.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,344.04 : 644,311.28 = 148,861.28 : x
  2. Step 2: Convert to fraction form
    429,344.04/644,311.28 = 148,861.28/x
  3. Step 3: Cross multiply
    429,344.04x = 644,311.28 × 148,861.28
  4. Step 4: Simplify right side
    429,344.04x = 95,913,001,859.24
  5. Step 5: Solve for x
    x = 95,913,001,859.24/429,344.04
  6. Step 6: Final answer
    x = 223,394.28

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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.