Home / 439,647.21-658,960.34-202,492.17

Finding the Fourth Proportional to 439,647.21, 658,960.34 and 202,492.17

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Solution

The fourth proportional to 439,647.21, 658,960.34 and 202,492.17 is: 303,503.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,647.21 : 658,960.34 = 202,492.17 : x
  2. Step 2: Convert to fraction form
    439,647.21/658,960.34 = 202,492.17/x
  3. Step 3: Cross multiply
    439,647.21x = 658,960.34 × 202,492.17
  4. Step 4: Simplify right side
    439,647.21x = 133,434,308,178.08
  5. Step 5: Solve for x
    x = 133,434,308,178.08/439,647.21
  6. Step 6: Final answer
    x = 303,503.14

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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.