Home / 314,789.95-472,011.79-215,062.75

Finding the Fourth Proportional to 314,789.95, 472,011.79 and 215,062.75

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Solution

The fourth proportional to 314,789.95, 472,011.79 and 215,062.75 is: 322,475.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,789.95 : 472,011.79 = 215,062.75 : x
  2. Step 2: Convert to fraction form
    314,789.95/472,011.79 = 215,062.75/x
  3. Step 3: Cross multiply
    314,789.95x = 472,011.79 × 215,062.75
  4. Step 4: Simplify right side
    314,789.95x = 101,512,153,589.82
  5. Step 5: Solve for x
    x = 101,512,153,589.82/314,789.95
  6. Step 6: Final answer
    x = 322,475.84

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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.