Home / 296,590.09-409,208.61-167,521.72

Finding the Fourth Proportional to 296,590.09, 409,208.61 and 167,521.72

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Solution

The fourth proportional to 296,590.09, 409,208.61 and 167,521.72 is: 231,131.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,590.09 : 409,208.61 = 167,521.72 : x
  2. Step 2: Convert to fraction form
    296,590.09/409,208.61 = 167,521.72/x
  3. Step 3: Cross multiply
    296,590.09x = 409,208.61 × 167,521.72
  4. Step 4: Simplify right side
    296,590.09x = 68,551,330,186.01
  5. Step 5: Solve for x
    x = 68,551,330,186.01/296,590.09
  6. Step 6: Final answer
    x = 231,131.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.