Home / 440,235.46-660,320.91-140,635.59

Finding the Fourth Proportional to 440,235.46, 660,320.91 and 140,635.59

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Solution

The fourth proportional to 440,235.46, 660,320.91 and 140,635.59 is: 210,943.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,235.46 : 660,320.91 = 140,635.59 : x
  2. Step 2: Convert to fraction form
    440,235.46/660,320.91 = 140,635.59/x
  3. Step 3: Cross multiply
    440,235.46x = 660,320.91 × 140,635.59
  4. Step 4: Simplify right side
    440,235.46x = 92,864,622,005.29
  5. Step 5: Solve for x
    x = 92,864,622,005.29/440,235.46
  6. Step 6: Final answer
    x = 210,943.08

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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.