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Finding the Fourth Proportional to 242,049.33, 334,032.36 and 134,619.40

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Solution

The fourth proportional to 242,049.33, 334,032.36 and 134,619.40 is: 185,777.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,049.33 : 334,032.36 = 134,619.40 : x
  2. Step 2: Convert to fraction form
    242,049.33/334,032.36 = 134,619.40/x
  3. Step 3: Cross multiply
    242,049.33x = 334,032.36 × 134,619.40
  4. Step 4: Simplify right side
    242,049.33x = 44,967,235,883.78
  5. Step 5: Solve for x
    x = 44,967,235,883.78/242,049.33
  6. Step 6: Final answer
    x = 185,777.15

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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.