Home / 320,944.55-442,910.43-175,756.50

Finding the Fourth Proportional to 320,944.55, 442,910.43 and 175,756.50

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Solution

The fourth proportional to 320,944.55, 442,910.43 and 175,756.50 is: 242,547.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,944.55 : 442,910.43 = 175,756.50 : x
  2. Step 2: Convert to fraction form
    320,944.55/442,910.43 = 175,756.50/x
  3. Step 3: Cross multiply
    320,944.55x = 442,910.43 × 175,756.50
  4. Step 4: Simplify right side
    320,944.55x = 77,844,386,990.30
  5. Step 5: Solve for x
    x = 77,844,386,990.30/320,944.55
  6. Step 6: Final answer
    x = 242,547.78

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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.