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Finding the Fourth Proportional to 440,497.68, 660,790.08 and 140,903.04

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Solution

The fourth proportional to 440,497.68, 660,790.08 and 140,903.04 is: 211,368.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,497.68 : 660,790.08 = 140,903.04 : x
  2. Step 2: Convert to fraction form
    440,497.68/660,790.08 = 140,903.04/x
  3. Step 3: Cross multiply
    440,497.68x = 660,790.08 × 140,903.04
  4. Step 4: Simplify right side
    440,497.68x = 93,107,331,073.84
  5. Step 5: Solve for x
    x = 93,107,331,073.84/440,497.68
  6. Step 6: Final answer
    x = 211,368.49

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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.