Home / 377,848.80-566,773.20-128,530.80

Finding the Fourth Proportional to 377,848.80, 566,773.20 and 128,530.80

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Solution

The fourth proportional to 377,848.80, 566,773.20 and 128,530.80 is: 192,796.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,848.80 : 566,773.20 = 128,530.80 : x
  2. Step 2: Convert to fraction form
    377,848.80/566,773.20 = 128,530.80/x
  3. Step 3: Cross multiply
    377,848.80x = 566,773.20 × 128,530.80
  4. Step 4: Simplify right side
    377,848.80x = 72,847,812,814.56
  5. Step 5: Solve for x
    x = 72,847,812,814.56/377,848.80
  6. Step 6: Final answer
    x = 192,796.20

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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.