Home / 315,736.27-473,722.04-189,467.09

Finding the Fourth Proportional to 315,736.27, 473,722.04 and 189,467.09

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Solution

The fourth proportional to 315,736.27, 473,722.04 and 189,467.09 is: 284,271.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,736.27 : 473,722.04 = 189,467.09 : x
  2. Step 2: Convert to fraction form
    315,736.27/473,722.04 = 189,467.09/x
  3. Step 3: Cross multiply
    315,736.27x = 473,722.04 × 189,467.09
  4. Step 4: Simplify right side
    315,736.27x = 89,754,736,624.63
  5. Step 5: Solve for x
    x = 89,754,736,624.63/315,736.27
  6. Step 6: Final answer
    x = 284,271.23

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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.