Home / 282,473.10-423,709.92-198,608.40

Finding the Fourth Proportional to 282,473.10, 423,709.92 and 198,608.40

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Solution

The fourth proportional to 282,473.10, 423,709.92 and 198,608.40 is: 297,912.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,473.10 : 423,709.92 = 198,608.40 : x
  2. Step 2: Convert to fraction form
    282,473.10/423,709.92 = 198,608.40/x
  3. Step 3: Cross multiply
    282,473.10x = 423,709.92 × 198,608.40
  4. Step 4: Simplify right side
    282,473.10x = 84,152,349,275.33
  5. Step 5: Solve for x
    x = 84,152,349,275.33/282,473.10
  6. Step 6: Final answer
    x = 297,912.79

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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.