Home / 373,764.30-515,615.40-271,631.40

Finding the Fourth Proportional to 373,764.30, 515,615.40 and 271,631.40

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Solution

The fourth proportional to 373,764.30, 515,615.40 and 271,631.40 is: 374,721.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,764.30 : 515,615.40 = 271,631.40 : x
  2. Step 2: Convert to fraction form
    373,764.30/515,615.40 = 271,631.40/x
  3. Step 3: Cross multiply
    373,764.30x = 515,615.40 × 271,631.40
  4. Step 4: Simplify right side
    373,764.30x = 140,057,332,963.56
  5. Step 5: Solve for x
    x = 140,057,332,963.56/373,764.30
  6. Step 6: Final answer
    x = 374,721.00

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1.5x scale

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.