Home / 406,734.81-561,293.07-222,973.05

Finding the Fourth Proportional to 406,734.81, 561,293.07 and 222,973.05

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Solution

The fourth proportional to 406,734.81, 561,293.07 and 222,973.05 is: 307,702.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,734.81 : 561,293.07 = 222,973.05 : x
  2. Step 2: Convert to fraction form
    406,734.81/561,293.07 = 222,973.05/x
  3. Step 3: Cross multiply
    406,734.81x = 561,293.07 × 222,973.05
  4. Step 4: Simplify right side
    406,734.81x = 125,153,230,284.69
  5. Step 5: Solve for x
    x = 125,153,230,284.69/406,734.81
  6. Step 6: Final answer
    x = 307,702.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.