Home / 299,918.49-413,887.55-163,953.05

Finding the Fourth Proportional to 299,918.49, 413,887.55 and 163,953.05

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Solution

The fourth proportional to 299,918.49, 413,887.55 and 163,953.05 is: 226,255.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,918.49 : 413,887.55 = 163,953.05 : x
  2. Step 2: Convert to fraction form
    299,918.49/413,887.55 = 163,953.05/x
  3. Step 3: Cross multiply
    299,918.49x = 413,887.55 × 163,953.05
  4. Step 4: Simplify right side
    299,918.49x = 67,858,125,144.81
  5. Step 5: Solve for x
    x = 67,858,125,144.81/299,918.49
  6. Step 6: Final answer
    x = 226,255.22

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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.