Home / 240,180.32-360,215.64-90,436.40

Finding the Fourth Proportional to 240,180.32, 360,215.64 and 90,436.40

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Solution

The fourth proportional to 240,180.32, 360,215.64 and 90,436.40 is: 135,633.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,180.32 : 360,215.64 = 90,436.40 : x
  2. Step 2: Convert to fraction form
    240,180.32/360,215.64 = 90,436.40/x
  3. Step 3: Cross multiply
    240,180.32x = 360,215.64 × 90,436.40
  4. Step 4: Simplify right side
    240,180.32x = 32,576,605,705.30
  5. Step 5: Solve for x
    x = 32,576,605,705.30/240,180.32
  6. Step 6: Final answer
    x = 135,633.95

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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.