Home / 742,642.43-1,113,985.25-181,676.75

Finding the Fourth Proportional to 742,642.43, 1,113,985.25 and 181,676.75

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Solution

The fourth proportional to 742,642.43, 1,113,985.25 and 181,676.75 is: 272,520.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,642.43 : 1,113,985.25 = 181,676.75 : x
  2. Step 2: Convert to fraction form
    742,642.43/1,113,985.25 = 181,676.75/x
  3. Step 3: Cross multiply
    742,642.43x = 1,113,985.25 × 181,676.75
  4. Step 4: Simplify right side
    742,642.43x = 202,385,218,859.55
  5. Step 5: Solve for x
    x = 202,385,218,859.55/742,642.43
  6. Step 6: Final answer
    x = 272,520.41

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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.