Home / 409,623.10-614,521.05-172,843.90

Finding the Fourth Proportional to 409,623.10, 614,521.05 and 172,843.90

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Solution

The fourth proportional to 409,623.10, 614,521.05 and 172,843.90 is: 259,302.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,623.10 : 614,521.05 = 172,843.90 : x
  2. Step 2: Convert to fraction form
    409,623.10/614,521.05 = 172,843.90/x
  3. Step 3: Cross multiply
    409,623.10x = 614,521.05 × 172,843.90
  4. Step 4: Simplify right side
    409,623.10x = 106,216,214,914.10
  5. Step 5: Solve for x
    x = 106,216,214,914.10/409,623.10
  6. Step 6: Final answer
    x = 259,302.31

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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.