Home / 485,282.83-727,924.28-148,324.45

Finding the Fourth Proportional to 485,282.83, 727,924.28 and 148,324.45

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Solution

The fourth proportional to 485,282.83, 727,924.28 and 148,324.45 is: 222,486.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,282.83 : 727,924.28 = 148,324.45 : x
  2. Step 2: Convert to fraction form
    485,282.83/727,924.28 = 148,324.45/x
  3. Step 3: Cross multiply
    485,282.83x = 727,924.28 × 148,324.45
  4. Step 4: Simplify right side
    485,282.83x = 107,968,965,911.21
  5. Step 5: Solve for x
    x = 107,968,965,911.21/485,282.83
  6. Step 6: Final answer
    x = 222,486.68

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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.