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Finding the Fourth Proportional to 242,362.72, 334,452.81 and 134,927.29

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Solution

The fourth proportional to 242,362.72, 334,452.81 and 134,927.29 is: 186,195.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,362.72 : 334,452.81 = 134,927.29 : x
  2. Step 2: Convert to fraction form
    242,362.72/334,452.81 = 134,927.29/x
  3. Step 3: Cross multiply
    242,362.72x = 334,452.81 × 134,927.29
  4. Step 4: Simplify right side
    242,362.72x = 45,126,811,286.18
  5. Step 5: Solve for x
    x = 45,126,811,286.18/242,362.72
  6. Step 6: Final answer
    x = 186,195.35

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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.