Home / 320,835.14-442,747.12-177,592.10

Finding the Fourth Proportional to 320,835.14, 442,747.12 and 177,592.10

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Solution

The fourth proportional to 320,835.14, 442,747.12 and 177,592.10 is: 245,074.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,835.14 : 442,747.12 = 177,592.10 : x
  2. Step 2: Convert to fraction form
    320,835.14/442,747.12 = 177,592.10/x
  3. Step 3: Cross multiply
    320,835.14x = 442,747.12 × 177,592.10
  4. Step 4: Simplify right side
    320,835.14x = 78,628,390,809.75
  5. Step 5: Solve for x
    x = 78,628,390,809.75/320,835.14
  6. Step 6: Final answer
    x = 245,074.12

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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.