Home / 247,683.20-341,783.88-145,712.72

Finding the Fourth Proportional to 247,683.20, 341,783.88 and 145,712.72

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Solution

The fourth proportional to 247,683.20, 341,783.88 and 145,712.72 is: 201,072.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,683.20 : 341,783.88 = 145,712.72 : x
  2. Step 2: Convert to fraction form
    247,683.20/341,783.88 = 145,712.72/x
  3. Step 3: Cross multiply
    247,683.20x = 341,783.88 × 145,712.72
  4. Step 4: Simplify right side
    247,683.20x = 49,802,258,806.95
  5. Step 5: Solve for x
    x = 49,802,258,806.95/247,683.20
  6. Step 6: Final answer
    x = 201,072.41

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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.