Home / 370,212.20-510,892.18-200,446.28

Finding the Fourth Proportional to 370,212.20, 510,892.18 and 200,446.28

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Solution

The fourth proportional to 370,212.20, 510,892.18 and 200,446.28 is: 276,615.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,212.20 : 510,892.18 = 200,446.28 : x
  2. Step 2: Convert to fraction form
    370,212.20/510,892.18 = 200,446.28/x
  3. Step 3: Cross multiply
    370,212.20x = 510,892.18 × 200,446.28
  4. Step 4: Simplify right side
    370,212.20x = 102,406,436,962.09
  5. Step 5: Solve for x
    x = 102,406,436,962.09/370,212.20
  6. Step 6: Final answer
    x = 276,615.51

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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.