Home / 387,559.56-581,350.26-107,076.84

Finding the Fourth Proportional to 387,559.56, 581,350.26 and 107,076.84

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Solution

The fourth proportional to 387,559.56, 581,350.26 and 107,076.84 is: 160,618.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,559.56 : 581,350.26 = 107,076.84 : x
  2. Step 2: Convert to fraction form
    387,559.56/581,350.26 = 107,076.84/x
  3. Step 3: Cross multiply
    387,559.56x = 581,350.26 × 107,076.84
  4. Step 4: Simplify right side
    387,559.56x = 62,249,148,773.98
  5. Step 5: Solve for x
    x = 62,249,148,773.98/387,559.56
  6. Step 6: Final answer
    x = 160,618.28

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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.