Home / 380,026.99-570,040.62-95,719.89

Finding the Fourth Proportional to 380,026.99, 570,040.62 and 95,719.89

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Solution

The fourth proportional to 380,026.99, 570,040.62 and 95,719.89 is: 143,579.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,026.99 : 570,040.62 = 95,719.89 : x
  2. Step 2: Convert to fraction form
    380,026.99/570,040.62 = 95,719.89/x
  3. Step 3: Cross multiply
    380,026.99x = 570,040.62 × 95,719.89
  4. Step 4: Simplify right side
    380,026.99x = 54,564,227,759.06
  5. Step 5: Solve for x
    x = 54,564,227,759.06/380,026.99
  6. Step 6: Final answer
    x = 143,579.87

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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.