Home / 201,914.30-302,543.40-168,453.20

Finding the Fourth Proportional to 201,914.30, 302,543.40 and 168,453.20

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Solution

The fourth proportional to 201,914.30, 302,543.40 and 168,453.20 is: 252,406.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,914.30 : 302,543.40 = 168,453.20 : x
  2. Step 2: Convert to fraction form
    201,914.30/302,543.40 = 168,453.20/x
  3. Step 3: Cross multiply
    201,914.30x = 302,543.40 × 168,453.20
  4. Step 4: Simplify right side
    201,914.30x = 50,964,403,868.88
  5. Step 5: Solve for x
    x = 50,964,403,868.88/201,914.30
  6. Step 6: Final answer
    x = 252,406.11

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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.