Home / 254,518.51-381,742.90-140,876.52

Finding the Fourth Proportional to 254,518.51, 381,742.90 and 140,876.52

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Solution

The fourth proportional to 254,518.51, 381,742.90 and 140,876.52 is: 211,295.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,518.51 : 381,742.90 = 140,876.52 : x
  2. Step 2: Convert to fraction form
    254,518.51/381,742.90 = 140,876.52/x
  3. Step 3: Cross multiply
    254,518.51x = 381,742.90 × 140,876.52
  4. Step 4: Simplify right side
    254,518.51x = 53,778,610,934.52
  5. Step 5: Solve for x
    x = 53,778,610,934.52/254,518.51
  6. Step 6: Final answer
    x = 211,295.48

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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.