Home / 247,923.48-371,842.20-70,389

Finding the Fourth Proportional to 247,923.48, 371,842.20 and 70,389

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Solution

The fourth proportional to 247,923.48, 371,842.20 and 70,389 is: 105,571.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,923.48 : 371,842.20 = 70,389 : x
  2. Step 2: Convert to fraction form
    247,923.48/371,842.20 = 70,389/x
  3. Step 3: Cross multiply
    247,923.48x = 371,842.20 × 70,389
  4. Step 4: Simplify right side
    247,923.48x = 26,173,600,615.80
  5. Step 5: Solve for x
    x = 26,173,600,615.80/247,923.48
  6. Step 6: Final answer
    x = 105,571.29

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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.