Home / 314,923.20-471,232.80-231,979.20

Finding the Fourth Proportional to 314,923.20, 471,232.80 and 231,979.20

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Solution

The fourth proportional to 314,923.20, 471,232.80 and 231,979.20 is: 347,120.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,923.20 : 471,232.80 = 231,979.20 : x
  2. Step 2: Convert to fraction form
    314,923.20/471,232.80 = 231,979.20/x
  3. Step 3: Cross multiply
    314,923.20x = 471,232.80 × 231,979.20
  4. Step 4: Simplify right side
    314,923.20x = 109,316,207,957.76
  5. Step 5: Solve for x
    x = 109,316,207,957.76/314,923.20
  6. Step 6: Final answer
    x = 347,120.21

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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.