Home / 387,895.70-581,837.72-174,512.93

Finding the Fourth Proportional to 387,895.70, 581,837.72 and 174,512.93

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Solution

The fourth proportional to 387,895.70, 581,837.72 and 174,512.93 is: 261,766.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,895.70 : 581,837.72 = 174,512.93 : x
  2. Step 2: Convert to fraction form
    387,895.70/581,837.72 = 174,512.93/x
  3. Step 3: Cross multiply
    387,895.70x = 581,837.72 × 174,512.93
  4. Step 4: Simplify right side
    387,895.70x = 101,538,205,815.43
  5. Step 5: Solve for x
    x = 101,538,205,815.43/387,895.70
  6. Step 6: Final answer
    x = 261,766.77

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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.