Home / 440,136.40-660,423.30-173,905.60

Finding the Fourth Proportional to 440,136.40, 660,423.30 and 173,905.60

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Solution

The fourth proportional to 440,136.40, 660,423.30 and 173,905.60 is: 260,944.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,136.40 : 660,423.30 = 173,905.60 : x
  2. Step 2: Convert to fraction form
    440,136.40/660,423.30 = 173,905.60/x
  3. Step 3: Cross multiply
    440,136.40x = 660,423.30 × 173,905.60
  4. Step 4: Simplify right side
    440,136.40x = 114,851,310,240.48
  5. Step 5: Solve for x
    x = 114,851,310,240.48/440,136.40
  6. Step 6: Final answer
    x = 260,944.81

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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.