Home / 320,723.84-442,599.76-177,493.76

Finding the Fourth Proportional to 320,723.84, 442,599.76 and 177,493.76

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Solution

The fourth proportional to 320,723.84, 442,599.76 and 177,493.76 is: 244,941.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,723.84 : 442,599.76 = 177,493.76 : x
  2. Step 2: Convert to fraction form
    320,723.84/442,599.76 = 177,493.76/x
  3. Step 3: Cross multiply
    320,723.84x = 442,599.76 × 177,493.76
  4. Step 4: Simplify right side
    320,723.84x = 78,558,695,577.50
  5. Step 5: Solve for x
    x = 78,558,695,577.50/320,723.84
  6. Step 6: Final answer
    x = 244,941.87

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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.