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Finding the Fourth Proportional to 440,068.87, 660,103.29 and 240,280.26

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Solution

The fourth proportional to 440,068.87, 660,103.29 and 240,280.26 is: 360,420.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,068.87 : 660,103.29 = 240,280.26 : x
  2. Step 2: Convert to fraction form
    440,068.87/660,103.29 = 240,280.26/x
  3. Step 3: Cross multiply
    440,068.87x = 660,103.29 × 240,280.26
  4. Step 4: Simplify right side
    440,068.87x = 158,609,790,148.06
  5. Step 5: Solve for x
    x = 158,609,790,148.06/440,068.87
  6. Step 6: Final answer
    x = 360,420.38

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1.5x scale

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.