Home / 238,319.40-328,886.52-130,891.80

Finding the Fourth Proportional to 238,319.40, 328,886.52 and 130,891.80

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Solution

The fourth proportional to 238,319.40, 328,886.52 and 130,891.80 is: 180,633.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,319.40 : 328,886.52 = 130,891.80 : x
  2. Step 2: Convert to fraction form
    238,319.40/328,886.52 = 130,891.80/x
  3. Step 3: Cross multiply
    238,319.40x = 328,886.52 × 130,891.80
  4. Step 4: Simplify right side
    238,319.40x = 43,048,548,598.54
  5. Step 5: Solve for x
    x = 43,048,548,598.54/238,319.40
  6. Step 6: Final answer
    x = 180,633.84

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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.