Home / 254,830.74-382,260.69-77,343.54

Finding the Fourth Proportional to 254,830.74, 382,260.69 and 77,343.54

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Solution

The fourth proportional to 254,830.74, 382,260.69 and 77,343.54 is: 116,019.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,830.74 : 382,260.69 = 77,343.54 : x
  2. Step 2: Convert to fraction form
    254,830.74/382,260.69 = 77,343.54/x
  3. Step 3: Cross multiply
    254,830.74x = 382,260.69 × 77,343.54
  4. Step 4: Simplify right side
    254,830.74x = 29,565,394,967.44
  5. Step 5: Solve for x
    x = 29,565,394,967.44/254,830.74
  6. Step 6: Final answer
    x = 116,019.74

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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.