Home / 238,412.02-329,007.21-130,979.74

Finding the Fourth Proportional to 238,412.02, 329,007.21 and 130,979.74

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Solution

The fourth proportional to 238,412.02, 329,007.21 and 130,979.74 is: 180,751.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,412.02 : 329,007.21 = 130,979.74 : x
  2. Step 2: Convert to fraction form
    238,412.02/329,007.21 = 130,979.74/x
  3. Step 3: Cross multiply
    238,412.02x = 329,007.21 × 130,979.74
  4. Step 4: Simplify right side
    238,412.02x = 43,093,278,823.93
  5. Step 5: Solve for x
    x = 43,093,278,823.93/238,412.02
  6. Step 6: Final answer
    x = 180,751.28

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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.