Home / 480,121.12-720,288.83-180,604.18

Finding the Fourth Proportional to 480,121.12, 720,288.83 and 180,604.18

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Solution

The fourth proportional to 480,121.12, 720,288.83 and 180,604.18 is: 270,946.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,121.12 : 720,288.83 = 180,604.18 : x
  2. Step 2: Convert to fraction form
    480,121.12/720,288.83 = 180,604.18/x
  3. Step 3: Cross multiply
    480,121.12x = 720,288.83 × 180,604.18
  4. Step 4: Simplify right side
    480,121.12x = 130,087,173,505.31
  5. Step 5: Solve for x
    x = 130,087,173,505.31/480,121.12
  6. Step 6: Final answer
    x = 270,946.58

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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.