Home / 238,199.44-328,716.12-130,780.48

Finding the Fourth Proportional to 238,199.44, 328,716.12 and 130,780.48

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Solution

The fourth proportional to 238,199.44, 328,716.12 and 130,780.48 is: 180,477.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,199.44 : 328,716.12 = 130,780.48 : x
  2. Step 2: Convert to fraction form
    238,199.44/328,716.12 = 130,780.48/x
  3. Step 3: Cross multiply
    238,199.44x = 328,716.12 × 130,780.48
  4. Step 4: Simplify right side
    238,199.44x = 42,989,651,957.34
  5. Step 5: Solve for x
    x = 42,989,651,957.34/238,199.44
  6. Step 6: Final answer
    x = 180,477.55

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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.