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Finding the Fourth Proportional to 440,469.36, 660,802.50 and 140,967.90

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Solution

The fourth proportional to 440,469.36, 660,802.50 and 140,967.90 is: 211,483.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,469.36 : 660,802.50 = 140,967.90 : x
  2. Step 2: Convert to fraction form
    440,469.36/660,802.50 = 140,967.90/x
  3. Step 3: Cross multiply
    440,469.36x = 660,802.50 × 140,967.90
  4. Step 4: Simplify right side
    440,469.36x = 93,151,940,739.75
  5. Step 5: Solve for x
    x = 93,151,940,739.75/440,469.36
  6. Step 6: Final answer
    x = 211,483.36

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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.