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Finding the Fourth Proportional to 245,969.20, 369,040.20 and 88,202.80

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Solution

The fourth proportional to 245,969.20, 369,040.20 and 88,202.80 is: 132,335.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,969.20 : 369,040.20 = 88,202.80 : x
  2. Step 2: Convert to fraction form
    245,969.20/369,040.20 = 88,202.80/x
  3. Step 3: Cross multiply
    245,969.20x = 369,040.20 × 88,202.80
  4. Step 4: Simplify right side
    245,969.20x = 32,550,378,952.56
  5. Step 5: Solve for x
    x = 32,550,378,952.56/245,969.20
  6. Step 6: Final answer
    x = 132,335.18

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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.