Home / 377,681.40-566,327.70-140,902.20

Finding the Fourth Proportional to 377,681.40, 566,327.70 and 140,902.20

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Solution

The fourth proportional to 377,681.40, 566,327.70 and 140,902.20 is: 211,280.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,681.40 : 566,327.70 = 140,902.20 : x
  2. Step 2: Convert to fraction form
    377,681.40/566,327.70 = 140,902.20/x
  3. Step 3: Cross multiply
    377,681.40x = 566,327.70 × 140,902.20
  4. Step 4: Simplify right side
    377,681.40x = 79,796,818,850.94
  5. Step 5: Solve for x
    x = 79,796,818,850.94/377,681.40
  6. Step 6: Final answer
    x = 211,280.77

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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.