Home / 342,918.50-473,234.24-205,239.20

Finding the Fourth Proportional to 342,918.50, 473,234.24 and 205,239.20

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Solution

The fourth proportional to 342,918.50, 473,234.24 and 205,239.20 is: 283,234.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,918.50 : 473,234.24 = 205,239.20 : x
  2. Step 2: Convert to fraction form
    342,918.50/473,234.24 = 205,239.20/x
  3. Step 3: Cross multiply
    342,918.50x = 473,234.24 × 205,239.20
  4. Step 4: Simplify right side
    342,918.50x = 97,126,214,977.13
  5. Step 5: Solve for x
    x = 97,126,214,977.13/342,918.50
  6. Step 6: Final answer
    x = 283,234.11

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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.