Home / 215,830.31-323,775.02-73,637.43

Finding the Fourth Proportional to 215,830.31, 323,775.02 and 73,637.43

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Solution

The fourth proportional to 215,830.31, 323,775.02 and 73,637.43 is: 110,466.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,830.31 : 323,775.02 = 73,637.43 : x
  2. Step 2: Convert to fraction form
    215,830.31/323,775.02 = 73,637.43/x
  3. Step 3: Cross multiply
    215,830.31x = 323,775.02 × 73,637.43
  4. Step 4: Simplify right side
    215,830.31x = 23,841,960,002.81
  5. Step 5: Solve for x
    x = 23,841,960,002.81/215,830.31
  6. Step 6: Final answer
    x = 110,466.23

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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.