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Finding the Fourth Proportional to 297,100.00, 445,645.40 and 119,602.68

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Solution

The fourth proportional to 297,100.00, 445,645.40 and 119,602.68 is: 179,402.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,100.00 : 445,645.40 = 119,602.68 : x
  2. Step 2: Convert to fraction form
    297,100.00/445,645.40 = 119,602.68/x
  3. Step 3: Cross multiply
    297,100.00x = 445,645.40 × 119,602.68
  4. Step 4: Simplify right side
    297,100.00x = 53,300,381,900.49
  5. Step 5: Solve for x
    x = 53,300,381,900.49/297,100.00
  6. Step 6: Final answer
    x = 179,402.16

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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.