Home / 247,420.35-341,419.68-145,450.13

Finding the Fourth Proportional to 247,420.35, 341,419.68 and 145,450.13

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Solution

The fourth proportional to 247,420.35, 341,419.68 and 145,450.13 is: 200,709.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,420.35 : 341,419.68 = 145,450.13 : x
  2. Step 2: Convert to fraction form
    247,420.35/341,419.68 = 145,450.13/x
  3. Step 3: Cross multiply
    247,420.35x = 341,419.68 × 145,450.13
  4. Step 4: Simplify right side
    247,420.35x = 49,659,535,133.46
  5. Step 5: Solve for x
    x = 49,659,535,133.46/247,420.35
  6. Step 6: Final answer
    x = 200,709.18

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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.