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Finding the Fourth Proportional to 479,968, 720,083.04 and 210,047.08

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Solution

The fourth proportional to 479,968, 720,083.04 and 210,047.08 is: 315,127.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,968 : 720,083.04 = 210,047.08 : x
  2. Step 2: Convert to fraction form
    479,968/720,083.04 = 210,047.08/x
  3. Step 3: Cross multiply
    479,968x = 720,083.04 × 210,047.08
  4. Step 4: Simplify right side
    479,968x = 151,251,339,909.52
  5. Step 5: Solve for x
    x = 151,251,339,909.52/479,968
  6. Step 6: Final answer
    x = 315,127.97

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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.