Home / 436,475.88-654,741.50-136,968.29

Finding the Fourth Proportional to 436,475.88, 654,741.50 and 136,968.29

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Solution

The fourth proportional to 436,475.88, 654,741.50 and 136,968.29 is: 205,461.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,475.88 : 654,741.50 = 136,968.29 : x
  2. Step 2: Convert to fraction form
    436,475.88/654,741.50 = 136,968.29/x
  3. Step 3: Cross multiply
    436,475.88x = 654,741.50 × 136,968.29
  4. Step 4: Simplify right side
    436,475.88x = 89,678,820,997.61
  5. Step 5: Solve for x
    x = 89,678,820,997.61/436,475.88
  6. Step 6: Final answer
    x = 205,461.11

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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.