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Finding the Fourth Proportional to 265,182.74, 397,774.14 and 218,337.20

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Solution

The fourth proportional to 265,182.74, 397,774.14 and 218,337.20 is: 327,505.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,182.74 : 397,774.14 = 218,337.20 : x
  2. Step 2: Convert to fraction form
    265,182.74/397,774.14 = 218,337.20/x
  3. Step 3: Cross multiply
    265,182.74x = 397,774.14 × 218,337.20
  4. Step 4: Simplify right side
    265,182.74x = 86,848,891,960.01
  5. Step 5: Solve for x
    x = 86,848,891,960.01/265,182.74
  6. Step 6: Final answer
    x = 327,505.82

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1.5x scale

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.