Home / 645,032.16-967,530.42-171,721.62

Finding the Fourth Proportional to 645,032.16, 967,530.42 and 171,721.62

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Solution

The fourth proportional to 645,032.16, 967,530.42 and 171,721.62 is: 257,577.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,032.16 : 967,530.42 = 171,721.62 : x
  2. Step 2: Convert to fraction form
    645,032.16/967,530.42 = 171,721.62/x
  3. Step 3: Cross multiply
    645,032.16x = 967,530.42 × 171,721.62
  4. Step 4: Simplify right side
    645,032.16x = 166,145,891,121.68
  5. Step 5: Solve for x
    x = 166,145,891,121.68/645,032.16
  6. Step 6: Final answer
    x = 257,577.69

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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.