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Finding the Fourth Proportional to 501,213.48, 752,193.96 and 201,696.72

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Solution

The fourth proportional to 501,213.48, 752,193.96 and 201,696.72 is: 302,695.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,213.48 : 752,193.96 = 201,696.72 : x
  2. Step 2: Convert to fraction form
    501,213.48/752,193.96 = 201,696.72/x
  3. Step 3: Cross multiply
    501,213.48x = 752,193.96 × 201,696.72
  4. Step 4: Simplify right side
    501,213.48x = 151,715,054,535.81
  5. Step 5: Solve for x
    x = 151,715,054,535.81/501,213.48
  6. Step 6: Final answer
    x = 302,695.48

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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.