Home / 409,973.40-614,960.10-269,890.20

Finding the Fourth Proportional to 409,973.40, 614,960.10 and 269,890.20

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Solution

The fourth proportional to 409,973.40, 614,960.10 and 269,890.20 is: 404,835.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,973.40 : 614,960.10 = 269,890.20 : x
  2. Step 2: Convert to fraction form
    409,973.40/614,960.10 = 269,890.20/x
  3. Step 3: Cross multiply
    409,973.40x = 614,960.10 × 269,890.20
  4. Step 4: Simplify right side
    409,973.40x = 165,971,704,381.02
  5. Step 5: Solve for x
    x = 165,971,704,381.02/409,973.40
  6. Step 6: Final answer
    x = 404,835.30

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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.