Home / 240,183.32-360,220.14-90,439.40

Finding the Fourth Proportional to 240,183.32, 360,220.14 and 90,439.40

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Solution

The fourth proportional to 240,183.32, 360,220.14 and 90,439.40 is: 135,638.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,183.32 : 360,220.14 = 90,439.40 : x
  2. Step 2: Convert to fraction form
    240,183.32/360,220.14 = 90,439.40/x
  3. Step 3: Cross multiply
    240,183.32x = 360,220.14 × 90,439.40
  4. Step 4: Simplify right side
    240,183.32x = 32,578,093,329.52
  5. Step 5: Solve for x
    x = 32,578,093,329.52/240,183.32
  6. Step 6: Final answer
    x = 135,638.45

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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.