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Finding the Fourth Proportional to 481,505.80, 722,345.10 and 201,051.40

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Solution

The fourth proportional to 481,505.80, 722,345.10 and 201,051.40 is: 301,613.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,505.80 : 722,345.10 = 201,051.40 : x
  2. Step 2: Convert to fraction form
    481,505.80/722,345.10 = 201,051.40/x
  3. Step 3: Cross multiply
    481,505.80x = 722,345.10 × 201,051.40
  4. Step 4: Simplify right side
    481,505.80x = 145,228,493,638.14
  5. Step 5: Solve for x
    x = 145,228,493,638.14/481,505.80
  6. Step 6: Final answer
    x = 301,613.18

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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.