Home / 440,140.40-660,429.30-173,909.60

Finding the Fourth Proportional to 440,140.40, 660,429.30 and 173,909.60

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Solution

The fourth proportional to 440,140.40, 660,429.30 and 173,909.60 is: 260,950.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,140.40 : 660,429.30 = 173,909.60 : x
  2. Step 2: Convert to fraction form
    440,140.40/660,429.30 = 173,909.60/x
  3. Step 3: Cross multiply
    440,140.40x = 660,429.30 × 173,909.60
  4. Step 4: Simplify right side
    440,140.40x = 114,854,995,391.28
  5. Step 5: Solve for x
    x = 114,854,995,391.28/440,140.40
  6. Step 6: Final answer
    x = 260,950.81

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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.