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Finding the Fourth Proportional to 370,108.82, 510,749.61 and 200,343.62

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Solution

The fourth proportional to 370,108.82, 510,749.61 and 200,343.62 is: 276,473.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,108.82 : 510,749.61 = 200,343.62 : x
  2. Step 2: Convert to fraction form
    370,108.82/510,749.61 = 200,343.62/x
  3. Step 3: Cross multiply
    370,108.82x = 510,749.61 × 200,343.62
  4. Step 4: Simplify right side
    370,108.82x = 102,325,425,780.99
  5. Step 5: Solve for x
    x = 102,325,425,780.99/370,108.82
  6. Step 6: Final answer
    x = 276,473.89

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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.