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Finding the Fourth Proportional to 254,765.16, 382,148.66 and 77,273.71

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Solution

The fourth proportional to 254,765.16, 382,148.66 and 77,273.71 is: 115,910.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,765.16 : 382,148.66 = 77,273.71 : x
  2. Step 2: Convert to fraction form
    254,765.16/382,148.66 = 77,273.71/x
  3. Step 3: Cross multiply
    254,765.16x = 382,148.66 × 77,273.71
  4. Step 4: Simplify right side
    254,765.16x = 29,530,044,343.36
  5. Step 5: Solve for x
    x = 29,530,044,343.36/254,765.16
  6. Step 6: Final answer
    x = 115,910.84

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1.5x scale

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.