Home / 342,940.10-473,257.25-189,988.22

Finding the Fourth Proportional to 342,940.10, 473,257.25 and 189,988.22

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Solution

The fourth proportional to 342,940.10, 473,257.25 and 189,988.22 is: 262,183.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,940.10 : 473,257.25 = 189,988.22 : x
  2. Step 2: Convert to fraction form
    342,940.10/473,257.25 = 189,988.22/x
  3. Step 3: Cross multiply
    342,940.10x = 473,257.25 × 189,988.22
  4. Step 4: Simplify right side
    342,940.10x = 89,913,300,813.18
  5. Step 5: Solve for x
    x = 89,913,300,813.18/342,940.10
  6. Step 6: Final answer
    x = 262,183.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.