Home / 430,454.45-645,769.16-150,168.53

Finding the Fourth Proportional to 430,454.45, 645,769.16 and 150,168.53

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Solution

The fourth proportional to 430,454.45, 645,769.16 and 150,168.53 is: 225,283.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,454.45 : 645,769.16 = 150,168.53 : x
  2. Step 2: Convert to fraction form
    430,454.45/645,769.16 = 150,168.53/x
  3. Step 3: Cross multiply
    430,454.45x = 645,769.16 × 150,168.53
  4. Step 4: Simplify right side
    430,454.45x = 96,974,206,903.25
  5. Step 5: Solve for x
    x = 96,974,206,903.25/430,454.45
  6. Step 6: Final answer
    x = 225,283.32

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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.