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Finding the Fourth Proportional to 626,956.85, 940,138.81 and 242,885.63

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Solution

The fourth proportional to 626,956.85, 940,138.81 and 242,885.63 is: 364,213.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,956.85 : 940,138.81 = 242,885.63 : x
  2. Step 2: Convert to fraction form
    626,956.85/940,138.81 = 242,885.63/x
  3. Step 3: Cross multiply
    626,956.85x = 940,138.81 × 242,885.63
  4. Step 4: Simplify right side
    626,956.85x = 228,346,207,154.30
  5. Step 5: Solve for x
    x = 228,346,207,154.30/626,956.85
  6. Step 6: Final answer
    x = 364,213.59

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1.5x scale

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.