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Finding the Fourth Proportional to 201,798.80, 302,698.20 and 151,279.10

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Solution

The fourth proportional to 201,798.80, 302,698.20 and 151,279.10 is: 226,918.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,798.80 : 302,698.20 = 151,279.10 : x
  2. Step 2: Convert to fraction form
    201,798.80/302,698.20 = 151,279.10/x
  3. Step 3: Cross multiply
    201,798.80x = 302,698.20 × 151,279.10
  4. Step 4: Simplify right side
    201,798.80x = 45,791,911,267.62
  5. Step 5: Solve for x
    x = 45,791,911,267.62/201,798.80
  6. Step 6: Final answer
    x = 226,918.65

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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.