Home / 440,020.95-660,025.85-140,497.73

Finding the Fourth Proportional to 440,020.95, 660,025.85 and 140,497.73

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Solution

The fourth proportional to 440,020.95, 660,025.85 and 140,497.73 is: 210,744.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,020.95 : 660,025.85 = 140,497.73 : x
  2. Step 2: Convert to fraction form
    440,020.95/660,025.85 = 140,497.73/x
  3. Step 3: Cross multiply
    440,020.95x = 660,025.85 × 140,497.73
  4. Step 4: Simplify right side
    440,020.95x = 92,732,133,666.32
  5. Step 5: Solve for x
    x = 92,732,133,666.32/440,020.95
  6. Step 6: Final answer
    x = 210,744.81

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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.