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Finding the Fourth Proportional to 501,041.06, 751,375.02 and 201,420.80

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Solution

The fourth proportional to 501,041.06, 751,375.02 and 201,420.80 is: 302,056.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,041.06 : 751,375.02 = 201,420.80 : x
  2. Step 2: Convert to fraction form
    501,041.06/751,375.02 = 201,420.80/x
  3. Step 3: Cross multiply
    501,041.06x = 751,375.02 × 201,420.80
  4. Step 4: Simplify right side
    501,041.06x = 151,342,557,628.42
  5. Step 5: Solve for x
    x = 151,342,557,628.42/501,041.06
  6. Step 6: Final answer
    x = 302,056.20

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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.