Home / 397,210.11-595,479.29-172,401.57

Finding the Fourth Proportional to 397,210.11, 595,479.29 and 172,401.57

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Solution

The fourth proportional to 397,210.11, 595,479.29 and 172,401.57 is: 258,456.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,210.11 : 595,479.29 = 172,401.57 : x
  2. Step 2: Convert to fraction form
    397,210.11/595,479.29 = 172,401.57/x
  3. Step 3: Cross multiply
    397,210.11x = 595,479.29 × 172,401.57
  4. Step 4: Simplify right side
    397,210.11x = 102,661,563,636.48
  5. Step 5: Solve for x
    x = 102,661,563,636.48/397,210.11
  6. Step 6: Final answer
    x = 258,456.57

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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.