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Finding the Fourth Proportional to 303,048.40, 418,209.60 and 167,087.12

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Solution

The fourth proportional to 303,048.40, 418,209.60 and 167,087.12 is: 230,581.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,048.40 : 418,209.60 = 167,087.12 : x
  2. Step 2: Convert to fraction form
    303,048.40/418,209.60 = 167,087.12/x
  3. Step 3: Cross multiply
    303,048.40x = 418,209.60 × 167,087.12
  4. Step 4: Simplify right side
    303,048.40x = 69,877,437,620.35
  5. Step 5: Solve for x
    x = 69,877,437,620.35/303,048.40
  6. Step 6: Final answer
    x = 230,581.77

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