Home / 417,701.02-576,368.31-248,002.78

Finding the Fourth Proportional to 417,701.02, 576,368.31 and 248,002.78

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Solution

The fourth proportional to 417,701.02, 576,368.31 and 248,002.78 is: 342,208.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,701.02 : 576,368.31 = 248,002.78 : x
  2. Step 2: Convert to fraction form
    417,701.02/576,368.31 = 248,002.78/x
  3. Step 3: Cross multiply
    417,701.02x = 576,368.31 × 248,002.78
  4. Step 4: Simplify right side
    417,701.02x = 142,940,943,183.90
  5. Step 5: Solve for x
    x = 142,940,943,183.90/417,701.02
  6. Step 6: Final answer
    x = 342,208.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.