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Finding the Fourth Proportional to 235,065.20, 324,389.98 and 134,463.20

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Solution

The fourth proportional to 235,065.20, 324,389.98 and 134,463.20 is: 185,559.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,065.20 : 324,389.98 = 134,463.20 : x
  2. Step 2: Convert to fraction form
    235,065.20/324,389.98 = 134,463.20/x
  3. Step 3: Cross multiply
    235,065.20x = 324,389.98 × 134,463.20
  4. Step 4: Simplify right side
    235,065.20x = 43,618,514,758.74
  5. Step 5: Solve for x
    x = 43,618,514,758.74/235,065.20
  6. Step 6: Final answer
    x = 185,559.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.