Home / 387,369.44-581,091.92-150,731.36

Finding the Fourth Proportional to 387,369.44, 581,091.92 and 150,731.36

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Solution

The fourth proportional to 387,369.44, 581,091.92 and 150,731.36 is: 226,111.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,369.44 : 581,091.92 = 150,731.36 : x
  2. Step 2: Convert to fraction form
    387,369.44/581,091.92 = 150,731.36/x
  3. Step 3: Cross multiply
    387,369.44x = 581,091.92 × 150,731.36
  4. Step 4: Simplify right side
    387,369.44x = 87,588,775,386.61
  5. Step 5: Solve for x
    x = 87,588,775,386.61/387,369.44
  6. Step 6: Final answer
    x = 226,111.73

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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.