Home / 406,346.51-609,559.86-140,071.97

Finding the Fourth Proportional to 406,346.51, 609,559.86 and 140,071.97

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Solution

The fourth proportional to 406,346.51, 609,559.86 and 140,071.97 is: 210,121.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,346.51 : 609,559.86 = 140,071.97 : x
  2. Step 2: Convert to fraction form
    406,346.51/609,559.86 = 140,071.97/x
  3. Step 3: Cross multiply
    406,346.51x = 609,559.86 × 140,071.97
  4. Step 4: Simplify right side
    406,346.51x = 85,382,247,375.32
  5. Step 5: Solve for x
    x = 85,382,247,375.32/406,346.51
  6. Step 6: Final answer
    x = 210,121.77

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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.