Home / 286,833.96-430,194.24-272,609.28

Finding the Fourth Proportional to 286,833.96, 430,194.24 and 272,609.28

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Solution

The fourth proportional to 286,833.96, 430,194.24 and 272,609.28 is: 408,860.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,833.96 : 430,194.24 = 272,609.28 : x
  2. Step 2: Convert to fraction form
    286,833.96/430,194.24 = 272,609.28/x
  3. Step 3: Cross multiply
    286,833.96x = 430,194.24 × 272,609.28
  4. Step 4: Simplify right side
    286,833.96x = 117,274,942,026.55
  5. Step 5: Solve for x
    x = 117,274,942,026.55/286,833.96
  6. Step 6: Final answer
    x = 408,860.03

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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.