Home / 406,150.96-609,282.94-169,439.19

Finding the Fourth Proportional to 406,150.96, 609,282.94 and 169,439.19

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Solution

The fourth proportional to 406,150.96, 609,282.94 and 169,439.19 is: 254,182.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,150.96 : 609,282.94 = 169,439.19 : x
  2. Step 2: Convert to fraction form
    406,150.96/609,282.94 = 169,439.19/x
  3. Step 3: Cross multiply
    406,150.96x = 609,282.94 × 169,439.19
  4. Step 4: Simplify right side
    406,150.96x = 103,236,407,410.82
  5. Step 5: Solve for x
    x = 103,236,407,410.82/406,150.96
  6. Step 6: Final answer
    x = 254,182.36

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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.