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Finding the Fourth Proportional to 261,230.91, 360,164.93 and 169,187.57

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Solution

The fourth proportional to 261,230.91, 360,164.93 and 169,187.57 is: 233,262.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,230.91 : 360,164.93 = 169,187.57 : x
  2. Step 2: Convert to fraction form
    261,230.91/360,164.93 = 169,187.57/x
  3. Step 3: Cross multiply
    261,230.91x = 360,164.93 × 169,187.57
  4. Step 4: Simplify right side
    261,230.91x = 60,935,429,305.92
  5. Step 5: Solve for x
    x = 60,935,429,305.92/261,230.91
  6. Step 6: Final answer
    x = 233,262.71

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1.5x scale

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.