Home / 238,380.87-328,828.06-142,832.20

Finding the Fourth Proportional to 238,380.87, 328,828.06 and 142,832.20

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Solution

The fourth proportional to 238,380.87, 328,828.06 and 142,832.20 is: 197,026.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,380.87 : 328,828.06 = 142,832.20 : x
  2. Step 2: Convert to fraction form
    238,380.87/328,828.06 = 142,832.20/x
  3. Step 3: Cross multiply
    238,380.87x = 328,828.06 × 142,832.20
  4. Step 4: Simplify right side
    238,380.87x = 46,967,235,231.53
  5. Step 5: Solve for x
    x = 46,967,235,231.53/238,380.87
  6. Step 6: Final answer
    x = 197,026.02

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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.