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Finding the Fourth Proportional to 242,034.09, 333,981.47 and 134,586.78

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Solution

The fourth proportional to 242,034.09, 333,981.47 and 134,586.78 is: 185,715.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,034.09 : 333,981.47 = 134,586.78 : x
  2. Step 2: Convert to fraction form
    242,034.09/333,981.47 = 134,586.78/x
  3. Step 3: Cross multiply
    242,034.09x = 333,981.47 × 134,586.78
  4. Step 4: Simplify right side
    242,034.09x = 44,949,489,954.03
  5. Step 5: Solve for x
    x = 44,949,489,954.03/242,034.09
  6. Step 6: Final answer
    x = 185,715.53

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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.