Home / 238,341.18-328,919.22-130,921.14

Finding the Fourth Proportional to 238,341.18, 328,919.22 and 130,921.14

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Solution

The fourth proportional to 238,341.18, 328,919.22 and 130,921.14 is: 180,675.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,341.18 : 328,919.22 = 130,921.14 : x
  2. Step 2: Convert to fraction form
    238,341.18/328,919.22 = 130,921.14/x
  3. Step 3: Cross multiply
    238,341.18x = 328,919.22 × 130,921.14
  4. Step 4: Simplify right side
    238,341.18x = 43,062,479,250.31
  5. Step 5: Solve for x
    x = 43,062,479,250.31/238,341.18
  6. Step 6: Final answer
    x = 180,675.78

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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.