Home / 320,938.07-442,893.22-175,744.49

Finding the Fourth Proportional to 320,938.07, 442,893.22 and 175,744.49

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Solution

The fourth proportional to 320,938.07, 442,893.22 and 175,744.49 is: 242,526.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,938.07 : 442,893.22 = 175,744.49 : x
  2. Step 2: Convert to fraction form
    320,938.07/442,893.22 = 175,744.49/x
  3. Step 3: Cross multiply
    320,938.07x = 442,893.22 × 175,744.49
  4. Step 4: Simplify right side
    320,938.07x = 77,836,040,419.53
  5. Step 5: Solve for x
    x = 77,836,040,419.53/320,938.07
  6. Step 6: Final answer
    x = 242,526.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.