Home / 436,419.66-654,630.30-120,877.41

Finding the Fourth Proportional to 436,419.66, 654,630.30 and 120,877.41

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Solution

The fourth proportional to 436,419.66, 654,630.30 and 120,877.41 is: 181,316.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,419.66 : 654,630.30 = 120,877.41 : x
  2. Step 2: Convert to fraction form
    436,419.66/654,630.30 = 120,877.41/x
  3. Step 3: Cross multiply
    436,419.66x = 654,630.30 × 120,877.41
  4. Step 4: Simplify right side
    436,419.66x = 79,130,015,171.52
  5. Step 5: Solve for x
    x = 79,130,015,171.52/436,419.66
  6. Step 6: Final answer
    x = 181,316.34

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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.