Home / 397,031.04-595,211.76-172,222.20

Finding the Fourth Proportional to 397,031.04, 595,211.76 and 172,222.20

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Solution

The fourth proportional to 397,031.04, 595,211.76 and 172,222.20 is: 258,188.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,031.04 : 595,211.76 = 172,222.20 : x
  2. Step 2: Convert to fraction form
    397,031.04/595,211.76 = 172,222.20/x
  3. Step 3: Cross multiply
    397,031.04x = 595,211.76 × 172,222.20
  4. Step 4: Simplify right side
    397,031.04x = 102,508,678,773.07
  5. Step 5: Solve for x
    x = 102,508,678,773.07/397,031.04
  6. Step 6: Final answer
    x = 258,188.07

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1.5x scale

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.