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Finding the Fourth Proportional to 440,111.76, 660,160.56 and 140,590.40

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Solution

The fourth proportional to 440,111.76, 660,160.56 and 140,590.40 is: 210,883.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,111.76 : 660,160.56 = 140,590.40 : x
  2. Step 2: Convert to fraction form
    440,111.76/660,160.56 = 140,590.40/x
  3. Step 3: Cross multiply
    440,111.76x = 660,160.56 × 140,590.40
  4. Step 4: Simplify right side
    440,111.76x = 92,812,237,194.62
  5. Step 5: Solve for x
    x = 92,812,237,194.62/440,111.76
  6. Step 6: Final answer
    x = 210,883.34

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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.