Home / 266,819.69-368,219.96-145,958.21

Finding the Fourth Proportional to 266,819.69, 368,219.96 and 145,958.21

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Solution

The fourth proportional to 266,819.69, 368,219.96 and 145,958.21 is: 201,427.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,819.69 : 368,219.96 = 145,958.21 : x
  2. Step 2: Convert to fraction form
    266,819.69/368,219.96 = 145,958.21/x
  3. Step 3: Cross multiply
    266,819.69x = 368,219.96 × 145,958.21
  4. Step 4: Simplify right side
    266,819.69x = 53,744,723,676.98
  5. Step 5: Solve for x
    x = 53,744,723,676.98/266,819.69
  6. Step 6: Final answer
    x = 201,427.13

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1.5x scale

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.