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Finding the Fourth Proportional to 342,487.03, 511,630.44 and 246,901.46

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Solution

The fourth proportional to 342,487.03, 511,630.44 and 246,901.46 is: 368,838.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,487.03 : 511,630.44 = 246,901.46 : x
  2. Step 2: Convert to fraction form
    342,487.03/511,630.44 = 246,901.46/x
  3. Step 3: Cross multiply
    342,487.03x = 511,630.44 × 246,901.46
  4. Step 4: Simplify right side
    342,487.03x = 126,322,302,616.44
  5. Step 5: Solve for x
    x = 126,322,302,616.44/342,487.03
  6. Step 6: Final answer
    x = 368,838.21

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.