Home / 387,895.83-581,837.91-174,513.06

Finding the Fourth Proportional to 387,895.83, 581,837.91 and 174,513.06

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Solution

The fourth proportional to 387,895.83, 581,837.91 and 174,513.06 is: 261,766.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,895.83 : 581,837.91 = 174,513.06 : x
  2. Step 2: Convert to fraction form
    387,895.83/581,837.91 = 174,513.06/x
  3. Step 3: Cross multiply
    387,895.83x = 581,837.91 × 174,513.06
  4. Step 4: Simplify right side
    387,895.83x = 101,538,311,334.54
  5. Step 5: Solve for x
    x = 101,538,311,334.54/387,895.83
  6. Step 6: Final answer
    x = 261,766.96

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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.