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Finding the Fourth Proportional to 245,934.60, 369,233.58 and 157,361

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Solution

The fourth proportional to 245,934.60, 369,233.58 and 157,361 is: 236,253.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,934.60 : 369,233.58 = 157,361 : x
  2. Step 2: Convert to fraction form
    245,934.60/369,233.58 = 157,361/x
  3. Step 3: Cross multiply
    245,934.60x = 369,233.58 × 157,361
  4. Step 4: Simplify right side
    245,934.60x = 58,102,965,382.38
  5. Step 5: Solve for x
    x = 58,102,965,382.38/245,934.60
  6. Step 6: Final answer
    x = 236,253.73

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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.