Home / 314,773.85-471,985.80-127,566.65

Finding the Fourth Proportional to 314,773.85, 471,985.80 and 127,566.65

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Solution

The fourth proportional to 314,773.85, 471,985.80 and 127,566.65 is: 191,279.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,773.85 : 471,985.80 = 127,566.65 : x
  2. Step 2: Convert to fraction form
    314,773.85/471,985.80 = 127,566.65/x
  3. Step 3: Cross multiply
    314,773.85x = 471,985.80 × 127,566.65
  4. Step 4: Simplify right side
    314,773.85x = 60,209,644,993.64
  5. Step 5: Solve for x
    x = 60,209,644,993.64/314,773.85
  6. Step 6: Final answer
    x = 191,279.06

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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.