Home / 436,236.60-654,353.67-136,718.46

Finding the Fourth Proportional to 436,236.60, 654,353.67 and 136,718.46

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Solution

The fourth proportional to 436,236.60, 654,353.67 and 136,718.46 is: 205,077.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,236.60 : 654,353.67 = 136,718.46 : x
  2. Step 2: Convert to fraction form
    436,236.60/654,353.67 = 136,718.46/x
  3. Step 3: Cross multiply
    436,236.60x = 654,353.67 × 136,718.46
  4. Step 4: Simplify right side
    436,236.60x = 89,462,226,057.75
  5. Step 5: Solve for x
    x = 89,462,226,057.75/436,236.60
  6. Step 6: Final answer
    x = 205,077.30

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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.