Home / 209,968.70-314,953.05-201,803.90

Finding the Fourth Proportional to 209,968.70, 314,953.05 and 201,803.90

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Solution

The fourth proportional to 209,968.70, 314,953.05 and 201,803.90 is: 302,705.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,968.70 : 314,953.05 = 201,803.90 : x
  2. Step 2: Convert to fraction form
    209,968.70/314,953.05 = 201,803.90/x
  3. Step 3: Cross multiply
    209,968.70x = 314,953.05 × 201,803.90
  4. Step 4: Simplify right side
    209,968.70x = 63,558,753,806.90
  5. Step 5: Solve for x
    x = 63,558,753,806.90/209,968.70
  6. Step 6: Final answer
    x = 302,705.85

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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.