Home / 245,104.38-367,578.81-78,853.50

Finding the Fourth Proportional to 245,104.38, 367,578.81 and 78,853.50

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Solution

The fourth proportional to 245,104.38, 367,578.81 and 78,853.50 is: 118,255.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,104.38 : 367,578.81 = 78,853.50 : x
  2. Step 2: Convert to fraction form
    245,104.38/367,578.81 = 78,853.50/x
  3. Step 3: Cross multiply
    245,104.38x = 367,578.81 × 78,853.50
  4. Step 4: Simplify right side
    245,104.38x = 28,984,875,694.34
  5. Step 5: Solve for x
    x = 28,984,875,694.34/245,104.38
  6. Step 6: Final answer
    x = 118,255.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.