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Finding the Fourth Proportional to 443,337, 611,808.96 and 252,362.68

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Solution

The fourth proportional to 443,337, 611,808.96 and 252,362.68 is: 348,262.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,337 : 611,808.96 = 252,362.68 : x
  2. Step 2: Convert to fraction form
    443,337/611,808.96 = 252,362.68/x
  3. Step 3: Cross multiply
    443,337x = 611,808.96 × 252,362.68
  4. Step 4: Simplify right side
    443,337x = 154,397,748,793.61
  5. Step 5: Solve for x
    x = 154,397,748,793.61/443,337
  6. Step 6: Final answer
    x = 348,262.72

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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.