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Finding the Fourth Proportional to 440,130.40, 660,001.20 and 173,802.40

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Solution

The fourth proportional to 440,130.40, 660,001.20 and 173,802.40 is: 260,626.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,130.40 : 660,001.20 = 173,802.40 : x
  2. Step 2: Convert to fraction form
    440,130.40/660,001.20 = 173,802.40/x
  3. Step 3: Cross multiply
    440,130.40x = 660,001.20 × 173,802.40
  4. Step 4: Simplify right side
    440,130.40x = 114,709,792,562.88
  5. Step 5: Solve for x
    x = 114,709,792,562.88/440,130.40
  6. Step 6: Final answer
    x = 260,626.83

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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.