Home / 314,868.50-434,519.20-206,047.49

Finding the Fourth Proportional to 314,868.50, 434,519.20 and 206,047.49

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Solution

The fourth proportional to 314,868.50, 434,519.20 and 206,047.49 is: 284,345.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,868.50 : 434,519.20 = 206,047.49 : x
  2. Step 2: Convert to fraction form
    314,868.50/434,519.20 = 206,047.49/x
  3. Step 3: Cross multiply
    314,868.50x = 434,519.20 × 206,047.49
  4. Step 4: Simplify right side
    314,868.50x = 89,531,587,829.09
  5. Step 5: Solve for x
    x = 89,531,587,829.09/314,868.50
  6. Step 6: Final answer
    x = 284,345.96

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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.