Home / 238,205.12-328,739.02-157,493.88

Finding the Fourth Proportional to 238,205.12, 328,739.02 and 157,493.88

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Solution

The fourth proportional to 238,205.12, 328,739.02 and 157,493.88 is: 217,352.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,205.12 : 328,739.02 = 157,493.88 : x
  2. Step 2: Convert to fraction form
    238,205.12/328,739.02 = 157,493.88/x
  3. Step 3: Cross multiply
    238,205.12x = 328,739.02 × 157,493.88
  4. Step 4: Simplify right side
    238,205.12x = 51,774,383,767.20
  5. Step 5: Solve for x
    x = 51,774,383,767.20/238,205.12
  6. Step 6: Final answer
    x = 217,352.10

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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.