Home / 247,302.48-370,982.88-78,764.16

Finding the Fourth Proportional to 247,302.48, 370,982.88 and 78,764.16

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Solution

The fourth proportional to 247,302.48, 370,982.88 and 78,764.16 is: 118,155.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,302.48 : 370,982.88 = 78,764.16 : x
  2. Step 2: Convert to fraction form
    247,302.48/370,982.88 = 78,764.16/x
  3. Step 3: Cross multiply
    247,302.48x = 370,982.88 × 78,764.16
  4. Step 4: Simplify right side
    247,302.48x = 29,220,154,917.58
  5. Step 5: Solve for x
    x = 29,220,154,917.58/247,302.48
  6. Step 6: Final answer
    x = 118,155.53

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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.