Home / 215,392.74-323,089.02-57,617.10

Finding the Fourth Proportional to 215,392.74, 323,089.02 and 57,617.10

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Solution

The fourth proportional to 215,392.74, 323,089.02 and 57,617.10 is: 86,425.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,392.74 : 323,089.02 = 57,617.10 : x
  2. Step 2: Convert to fraction form
    215,392.74/323,089.02 = 57,617.10/x
  3. Step 3: Cross multiply
    215,392.74x = 323,089.02 × 57,617.10
  4. Step 4: Simplify right side
    215,392.74x = 18,615,452,374.24
  5. Step 5: Solve for x
    x = 18,615,452,374.24/215,392.74
  6. Step 6: Final answer
    x = 86,425.63

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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.