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Finding the Fourth Proportional to 608,387.36, 912,709.50 and 229,300.04

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Solution

The fourth proportional to 608,387.36, 912,709.50 and 229,300.04 is: 343,998.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,387.36 : 912,709.50 = 229,300.04 : x
  2. Step 2: Convert to fraction form
    608,387.36/912,709.50 = 229,300.04/x
  3. Step 3: Cross multiply
    608,387.36x = 912,709.50 × 229,300.04
  4. Step 4: Simplify right side
    608,387.36x = 209,284,324,858.38
  5. Step 5: Solve for x
    x = 209,284,324,858.38/608,387.36
  6. Step 6: Final answer
    x = 343,998.48

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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.