Home / 377,815.80-566,591.40-111,505.80

Finding the Fourth Proportional to 377,815.80, 566,591.40 and 111,505.80

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Solution

The fourth proportional to 377,815.80, 566,591.40 and 111,505.80 is: 167,219.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,815.80 : 566,591.40 = 111,505.80 : x
  2. Step 2: Convert to fraction form
    377,815.80/566,591.40 = 111,505.80/x
  3. Step 3: Cross multiply
    377,815.80x = 566,591.40 × 111,505.80
  4. Step 4: Simplify right side
    377,815.80x = 63,178,227,330.12
  5. Step 5: Solve for x
    x = 63,178,227,330.12/377,815.80
  6. Step 6: Final answer
    x = 167,219.65

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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.