Home / 272,058.06-407,464.77-130,003.20

Finding the Fourth Proportional to 272,058.06, 407,464.77 and 130,003.20

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Solution

The fourth proportional to 272,058.06, 407,464.77 and 130,003.20 is: 194,707.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,058.06 : 407,464.77 = 130,003.20 : x
  2. Step 2: Convert to fraction form
    272,058.06/407,464.77 = 130,003.20/x
  3. Step 3: Cross multiply
    272,058.06x = 407,464.77 × 130,003.20
  4. Step 4: Simplify right side
    272,058.06x = 52,971,723,987.26
  5. Step 5: Solve for x
    x = 52,971,723,987.26/272,058.06
  6. Step 6: Final answer
    x = 194,707.42

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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.