Home / 356,459.24-534,756.30-143,243.75

Finding the Fourth Proportional to 356,459.24, 534,756.30 and 143,243.75

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Solution

The fourth proportional to 356,459.24, 534,756.30 and 143,243.75 is: 214,892.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,459.24 : 534,756.30 = 143,243.75 : x
  2. Step 2: Convert to fraction form
    356,459.24/534,756.30 = 143,243.75/x
  3. Step 3: Cross multiply
    356,459.24x = 534,756.30 × 143,243.75
  4. Step 4: Simplify right side
    356,459.24x = 76,600,499,085.02
  5. Step 5: Solve for x
    x = 76,600,499,085.02/356,459.24
  6. Step 6: Final answer
    x = 214,892.73

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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.