Home / 397,920.16-596,922.90-170,239.42

Finding the Fourth Proportional to 397,920.16, 596,922.90 and 170,239.42

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Solution

The fourth proportional to 397,920.16, 596,922.90 and 170,239.42 is: 255,377.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,920.16 : 596,922.90 = 170,239.42 : x
  2. Step 2: Convert to fraction form
    397,920.16/596,922.90 = 170,239.42/x
  3. Step 3: Cross multiply
    397,920.16x = 596,922.90 × 170,239.42
  4. Step 4: Simplify right side
    397,920.16x = 101,619,808,280.72
  5. Step 5: Solve for x
    x = 101,619,808,280.72/397,920.16
  6. Step 6: Final answer
    x = 255,377.38

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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.