Home / 368,964.72-553,446.96-211,082.40

Finding the Fourth Proportional to 368,964.72, 553,446.96 and 211,082.40

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Solution

The fourth proportional to 368,964.72, 553,446.96 and 211,082.40 is: 316,623.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,964.72 : 553,446.96 = 211,082.40 : x
  2. Step 2: Convert to fraction form
    368,964.72/553,446.96 = 211,082.40/x
  3. Step 3: Cross multiply
    368,964.72x = 553,446.96 × 211,082.40
  4. Step 4: Simplify right side
    368,964.72x = 116,822,912,589.50
  5. Step 5: Solve for x
    x = 116,822,912,589.50/368,964.72
  6. Step 6: Final answer
    x = 316,623.53

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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.