Home / 320,793.67-442,688.65-177,545.17

Finding the Fourth Proportional to 320,793.67, 442,688.65 and 177,545.17

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Solution

The fourth proportional to 320,793.67, 442,688.65 and 177,545.17 is: 245,008.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,793.67 : 442,688.65 = 177,545.17 : x
  2. Step 2: Convert to fraction form
    320,793.67/442,688.65 = 177,545.17/x
  3. Step 3: Cross multiply
    320,793.67x = 442,688.65 × 177,545.17
  4. Step 4: Simplify right side
    320,793.67x = 78,597,231,621.32
  5. Step 5: Solve for x
    x = 78,597,231,621.32/320,793.67
  6. Step 6: Final answer
    x = 245,008.67

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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.