Home / 313,111.04-469,743.36-146,704.64

Finding the Fourth Proportional to 313,111.04, 469,743.36 and 146,704.64

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Solution

The fourth proportional to 313,111.04, 469,743.36 and 146,704.64 is: 220,092.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,111.04 : 469,743.36 = 146,704.64 : x
  2. Step 2: Convert to fraction form
    313,111.04/469,743.36 = 146,704.64/x
  3. Step 3: Cross multiply
    313,111.04x = 469,743.36 × 146,704.64
  4. Step 4: Simplify right side
    313,111.04x = 68,913,530,521.19
  5. Step 5: Solve for x
    x = 68,913,530,521.19/313,111.04
  6. Step 6: Final answer
    x = 220,092.94

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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.