Home / 386,473.13-579,438.06-170,229.24

Finding the Fourth Proportional to 386,473.13, 579,438.06 and 170,229.24

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Solution

The fourth proportional to 386,473.13, 579,438.06 and 170,229.24 is: 255,224.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,473.13 : 579,438.06 = 170,229.24 : x
  2. Step 2: Convert to fraction form
    386,473.13/579,438.06 = 170,229.24/x
  3. Step 3: Cross multiply
    386,473.13x = 579,438.06 × 170,229.24
  4. Step 4: Simplify right side
    386,473.13x = 98,637,300,580.87
  5. Step 5: Solve for x
    x = 98,637,300,580.87/386,473.13
  6. Step 6: Final answer
    x = 255,224.21

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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.