Home / 320,785.06-442,690.78-177,551.14

Finding the Fourth Proportional to 320,785.06, 442,690.78 and 177,551.14

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Solution

The fourth proportional to 320,785.06, 442,690.78 and 177,551.14 is: 245,024.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,785.06 : 442,690.78 = 177,551.14 : x
  2. Step 2: Convert to fraction form
    320,785.06/442,690.78 = 177,551.14/x
  3. Step 3: Cross multiply
    320,785.06x = 442,690.78 × 177,551.14
  4. Step 4: Simplify right side
    320,785.06x = 78,600,252,656.49
  5. Step 5: Solve for x
    x = 78,600,252,656.49/320,785.06
  6. Step 6: Final answer
    x = 245,024.67

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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.