Home / 254,587.48-381,899.67-77,108.33

Finding the Fourth Proportional to 254,587.48, 381,899.67 and 77,108.33

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Solution

The fourth proportional to 254,587.48, 381,899.67 and 77,108.33 is: 115,668.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,587.48 : 381,899.67 = 77,108.33 : x
  2. Step 2: Convert to fraction form
    254,587.48/381,899.67 = 77,108.33/x
  3. Step 3: Cross multiply
    254,587.48x = 381,899.67 × 77,108.33
  4. Step 4: Simplify right side
    254,587.48x = 29,447,645,781.25
  5. Step 5: Solve for x
    x = 29,447,645,781.25/254,587.48
  6. Step 6: Final answer
    x = 115,668.08

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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.