Home / 645,886.80-968,519.16-225,153.36

Finding the Fourth Proportional to 645,886.80, 968,519.16 and 225,153.36

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Solution

The fourth proportional to 645,886.80, 968,519.16 and 225,153.36 is: 337,621.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,886.80 : 968,519.16 = 225,153.36 : x
  2. Step 2: Convert to fraction form
    645,886.80/968,519.16 = 225,153.36/x
  3. Step 3: Cross multiply
    645,886.80x = 968,519.16 × 225,153.36
  4. Step 4: Simplify right side
    645,886.80x = 218,065,343,098.38
  5. Step 5: Solve for x
    x = 218,065,343,098.38/645,886.80
  6. Step 6: Final answer
    x = 337,621.61

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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.