Home / 330,191.52-455,666.16-179,288.52

Finding the Fourth Proportional to 330,191.52, 455,666.16 and 179,288.52

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Solution

The fourth proportional to 330,191.52, 455,666.16 and 179,288.52 is: 247,419.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,191.52 : 455,666.16 = 179,288.52 : x
  2. Step 2: Convert to fraction form
    330,191.52/455,666.16 = 179,288.52/x
  3. Step 3: Cross multiply
    330,191.52x = 455,666.16 × 179,288.52
  4. Step 4: Simplify right side
    330,191.52x = 81,695,711,440.48
  5. Step 5: Solve for x
    x = 81,695,711,440.48/330,191.52
  6. Step 6: Final answer
    x = 247,419.17

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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.