Home / 440,266.20-660,399.30-173,889.60

Finding the Fourth Proportional to 440,266.20, 660,399.30 and 173,889.60

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Solution

The fourth proportional to 440,266.20, 660,399.30 and 173,889.60 is: 260,834.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,266.20 : 660,399.30 = 173,889.60 : x
  2. Step 2: Convert to fraction form
    440,266.20/660,399.30 = 173,889.60/x
  3. Step 3: Cross multiply
    440,266.20x = 660,399.30 × 173,889.60
  4. Step 4: Simplify right side
    440,266.20x = 114,836,570,117.28
  5. Step 5: Solve for x
    x = 114,836,570,117.28/440,266.20
  6. Step 6: Final answer
    x = 260,834.40

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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.