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Finding the Fourth Proportional to 401,458.76, 602,519.42 and 201,835.88

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Solution

The fourth proportional to 401,458.76, 602,519.42 and 201,835.88 is: 302,920.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,458.76 : 602,519.42 = 201,835.88 : x
  2. Step 2: Convert to fraction form
    401,458.76/602,519.42 = 201,835.88/x
  3. Step 3: Cross multiply
    401,458.76x = 602,519.42 × 201,835.88
  4. Step 4: Simplify right side
    401,458.76x = 121,610,033,331.01
  5. Step 5: Solve for x
    x = 121,610,033,331.01/401,458.76
  6. Step 6: Final answer
    x = 302,920.37

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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.