Home / 320,942.80-442,908.02-175,754.75

Finding the Fourth Proportional to 320,942.80, 442,908.02 and 175,754.75

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Solution

The fourth proportional to 320,942.80, 442,908.02 and 175,754.75 is: 242,545.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,942.80 : 442,908.02 = 175,754.75 : x
  2. Step 2: Convert to fraction form
    320,942.80/442,908.02 = 175,754.75/x
  3. Step 3: Cross multiply
    320,942.80x = 442,908.02 × 175,754.75
  4. Step 4: Simplify right side
    320,942.80x = 77,843,188,328.10
  5. Step 5: Solve for x
    x = 77,843,188,328.10/320,942.80
  6. Step 6: Final answer
    x = 242,545.36

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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.