Home / 406,346.95-609,560.51-140,072.41

Finding the Fourth Proportional to 406,346.95, 609,560.51 and 140,072.41

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Solution

The fourth proportional to 406,346.95, 609,560.51 and 140,072.41 is: 210,122.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,346.95 : 609,560.51 = 140,072.41 : x
  2. Step 2: Convert to fraction form
    406,346.95/609,560.51 = 140,072.41/x
  3. Step 3: Cross multiply
    406,346.95x = 609,560.51 × 140,072.41
  4. Step 4: Simplify right side
    406,346.95x = 85,382,609,676.53
  5. Step 5: Solve for x
    x = 85,382,609,676.53/406,346.95
  6. Step 6: Final answer
    x = 210,122.43

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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.