Home / 238,899.16-329,386.26-218,820.88

Finding the Fourth Proportional to 238,899.16, 329,386.26 and 218,820.88

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Solution

The fourth proportional to 238,899.16, 329,386.26 and 218,820.88 is: 301,702.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,899.16 : 329,386.26 = 218,820.88 : x
  2. Step 2: Convert to fraction form
    238,899.16/329,386.26 = 218,820.88/x
  3. Step 3: Cross multiply
    238,899.16x = 329,386.26 × 218,820.88
  4. Step 4: Simplify right side
    238,899.16x = 72,076,591,273.11
  5. Step 5: Solve for x
    x = 72,076,591,273.11/238,899.16
  6. Step 6: Final answer
    x = 301,702.99

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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.