Home / 286,241.76-428,509.44-173,582.64

Finding the Fourth Proportional to 286,241.76, 428,509.44 and 173,582.64

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Solution

The fourth proportional to 286,241.76, 428,509.44 and 173,582.64 is: 259,856.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,241.76 : 428,509.44 = 173,582.64 : x
  2. Step 2: Convert to fraction form
    286,241.76/428,509.44 = 173,582.64/x
  3. Step 3: Cross multiply
    286,241.76x = 428,509.44 × 173,582.64
  4. Step 4: Simplify right side
    286,241.76x = 74,381,799,860.12
  5. Step 5: Solve for x
    x = 74,381,799,860.12/286,241.76
  6. Step 6: Final answer
    x = 259,856.56

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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.