Home / 247,778.03-341,904.67-145,781.06

Finding the Fourth Proportional to 247,778.03, 341,904.67 and 145,781.06

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Solution

The fourth proportional to 247,778.03, 341,904.67 and 145,781.06 is: 201,160.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,778.03 : 341,904.67 = 145,781.06 : x
  2. Step 2: Convert to fraction form
    247,778.03/341,904.67 = 145,781.06/x
  3. Step 3: Cross multiply
    247,778.03x = 341,904.67 × 145,781.06
  4. Step 4: Simplify right side
    247,778.03x = 49,843,225,211.55
  5. Step 5: Solve for x
    x = 49,843,225,211.55/247,778.03
  6. Step 6: Final answer
    x = 201,160.79

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1.5x scale

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.