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Finding the Fourth Proportional to 329,130.32, 453,775.56 and 268,638.80

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Solution

The fourth proportional to 329,130.32, 453,775.56 and 268,638.80 is: 370,375.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,130.32 : 453,775.56 = 268,638.80 : x
  2. Step 2: Convert to fraction form
    329,130.32/453,775.56 = 268,638.80/x
  3. Step 3: Cross multiply
    329,130.32x = 453,775.56 × 268,638.80
  4. Step 4: Simplify right side
    329,130.32x = 121,901,721,907.73
  5. Step 5: Solve for x
    x = 121,901,721,907.73/329,130.32
  6. Step 6: Final answer
    x = 370,375.24

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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.