Home / 329,819.04-455,158.44-202,422.24

Finding the Fourth Proportional to 329,819.04, 455,158.44 and 202,422.24

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Solution

The fourth proportional to 329,819.04, 455,158.44 and 202,422.24 is: 279,347.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,819.04 : 455,158.44 = 202,422.24 : x
  2. Step 2: Convert to fraction form
    329,819.04/455,158.44 = 202,422.24/x
  3. Step 3: Cross multiply
    329,819.04x = 455,158.44 × 202,422.24
  4. Step 4: Simplify right side
    329,819.04x = 92,134,190,979.71
  5. Step 5: Solve for x
    x = 92,134,190,979.71/329,819.04
  6. Step 6: Final answer
    x = 279,347.70

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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.