Home / 247,943.20-371,914.80-148,410.40

Finding the Fourth Proportional to 247,943.20, 371,914.80 and 148,410.40

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Solution

The fourth proportional to 247,943.20, 371,914.80 and 148,410.40 is: 222,615.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,943.20 : 371,914.80 = 148,410.40 : x
  2. Step 2: Convert to fraction form
    247,943.20/371,914.80 = 148,410.40/x
  3. Step 3: Cross multiply
    247,943.20x = 371,914.80 × 148,410.40
  4. Step 4: Simplify right side
    247,943.20x = 55,196,024,233.92
  5. Step 5: Solve for x
    x = 55,196,024,233.92/247,943.20
  6. Step 6: Final answer
    x = 222,615.60

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1.5x scale

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.