Home / 436,212.18-654,317.28-136,715.58

Finding the Fourth Proportional to 436,212.18, 654,317.28 and 136,715.58

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Solution

The fourth proportional to 436,212.18, 654,317.28 and 136,715.58 is: 205,073.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,212.18 : 654,317.28 = 136,715.58 : x
  2. Step 2: Convert to fraction form
    436,212.18/654,317.28 = 136,715.58/x
  3. Step 3: Cross multiply
    436,212.18x = 654,317.28 × 136,715.58
  4. Step 4: Simplify right side
    436,212.18x = 89,455,366,439.22
  5. Step 5: Solve for x
    x = 89,455,366,439.22/436,212.18
  6. Step 6: Final answer
    x = 205,073.06

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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.