Home / 220,240.89-304,058.34-145,008.09

Finding the Fourth Proportional to 220,240.89, 304,058.34 and 145,008.09

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Solution

The fourth proportional to 220,240.89, 304,058.34 and 145,008.09 is: 200,194.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,240.89 : 304,058.34 = 145,008.09 : x
  2. Step 2: Convert to fraction form
    220,240.89/304,058.34 = 145,008.09/x
  3. Step 3: Cross multiply
    220,240.89x = 304,058.34 × 145,008.09
  4. Step 4: Simplify right side
    220,240.89x = 44,090,919,131.97
  5. Step 5: Solve for x
    x = 44,090,919,131.97/220,240.89
  6. Step 6: Final answer
    x = 200,194.07

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1.5x scale

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.