Home / 440,457.48-660,784.68-140,956.03

Finding the Fourth Proportional to 440,457.48, 660,784.68 and 140,956.03

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Solution

The fourth proportional to 440,457.48, 660,784.68 and 140,956.03 is: 211,465.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,457.48 : 660,784.68 = 140,956.03 : x
  2. Step 2: Convert to fraction form
    440,457.48/660,784.68 = 140,956.03/x
  3. Step 3: Cross multiply
    440,457.48x = 660,784.68 × 140,956.03
  4. Step 4: Simplify right side
    440,457.48x = 93,141,581,168.92
  5. Step 5: Solve for x
    x = 93,141,581,168.92/440,457.48
  6. Step 6: Final answer
    x = 211,465.55

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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.