Home / 409,179.42-614,093.13-172,685.34

Finding the Fourth Proportional to 409,179.42, 614,093.13 and 172,685.34

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Solution

The fourth proportional to 409,179.42, 614,093.13 and 172,685.34 is: 259,164.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,179.42 : 614,093.13 = 172,685.34 : x
  2. Step 2: Convert to fraction form
    409,179.42/614,093.13 = 172,685.34/x
  3. Step 3: Cross multiply
    409,179.42x = 614,093.13 × 172,685.34
  4. Step 4: Simplify right side
    409,179.42x = 106,044,880,945.71
  5. Step 5: Solve for x
    x = 106,044,880,945.71/409,179.42
  6. Step 6: Final answer
    x = 259,164.75

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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.