Home / 330,000.34-455,400.66-179,097.34

Finding the Fourth Proportional to 330,000.34, 455,400.66 and 179,097.34

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Solution

The fourth proportional to 330,000.34, 455,400.66 and 179,097.34 is: 247,154.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,000.34 : 455,400.66 = 179,097.34 : x
  2. Step 2: Convert to fraction form
    330,000.34/455,400.66 = 179,097.34/x
  3. Step 3: Cross multiply
    330,000.34x = 455,400.66 × 179,097.34
  4. Step 4: Simplify right side
    330,000.34x = 81,561,046,840.24
  5. Step 5: Solve for x
    x = 81,561,046,840.24/330,000.34
  6. Step 6: Final answer
    x = 247,154.43

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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.