Home / 315,795.62-469,631.92-305,828.58

Finding the Fourth Proportional to 315,795.62, 469,631.92 and 305,828.58

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Solution

The fourth proportional to 315,795.62, 469,631.92 and 305,828.58 is: 454,809.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,795.62 : 469,631.92 = 305,828.58 : x
  2. Step 2: Convert to fraction form
    315,795.62/469,631.92 = 305,828.58/x
  3. Step 3: Cross multiply
    315,795.62x = 469,631.92 × 305,828.58
  4. Step 4: Simplify right side
    315,795.62x = 143,626,863,216.27
  5. Step 5: Solve for x
    x = 143,626,863,216.27/315,795.62
  6. Step 6: Final answer
    x = 454,809.55

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.