Home / 240,179.32-360,214.14-90,435.40

Finding the Fourth Proportional to 240,179.32, 360,214.14 and 90,435.40

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Solution

The fourth proportional to 240,179.32, 360,214.14 and 90,435.40 is: 135,632.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,179.32 : 360,214.14 = 90,435.40 : x
  2. Step 2: Convert to fraction form
    240,179.32/360,214.14 = 90,435.40/x
  3. Step 3: Cross multiply
    240,179.32x = 360,214.14 × 90,435.40
  4. Step 4: Simplify right side
    240,179.32x = 32,576,109,836.56
  5. Step 5: Solve for x
    x = 32,576,109,836.56/240,179.32
  6. Step 6: Final answer
    x = 135,632.45

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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.