Home / 238,256.40-328,778.88-130,825.68

Finding the Fourth Proportional to 238,256.40, 328,778.88 and 130,825.68

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Solution

The fourth proportional to 238,256.40, 328,778.88 and 130,825.68 is: 180,531.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,256.40 : 328,778.88 = 130,825.68 : x
  2. Step 2: Convert to fraction form
    238,256.40/328,778.88 = 130,825.68/x
  3. Step 3: Cross multiply
    238,256.40x = 328,778.88 × 130,825.68
  4. Step 4: Simplify right side
    238,256.40x = 43,012,720,545.64
  5. Step 5: Solve for x
    x = 43,012,720,545.64/238,256.40
  6. Step 6: Final answer
    x = 180,531.23

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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.