Home / 387,987.77-581,974.88-174,604.69

Finding the Fourth Proportional to 387,987.77, 581,974.88 and 174,604.69

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Solution

The fourth proportional to 387,987.77, 581,974.88 and 174,604.69 is: 261,903.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,987.77 : 581,974.88 = 174,604.69 : x
  2. Step 2: Convert to fraction form
    387,987.77/581,974.88 = 174,604.69/x
  3. Step 3: Cross multiply
    387,987.77x = 581,974.88 × 174,604.69
  4. Step 4: Simplify right side
    387,987.77x = 101,615,541,182.23
  5. Step 5: Solve for x
    x = 101,615,541,182.23/387,987.77
  6. Step 6: Final answer
    x = 261,903.98

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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.