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Finding the Fourth Proportional to 568,598.70, 852,612.81 and 189,386.13

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Solution

The fourth proportional to 568,598.70, 852,612.81 and 189,386.13 is: 283,984.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,598.70 : 852,612.81 = 189,386.13 : x
  2. Step 2: Convert to fraction form
    568,598.70/852,612.81 = 189,386.13/x
  3. Step 3: Cross multiply
    568,598.70x = 852,612.81 × 189,386.13
  4. Step 4: Simplify right side
    568,598.70x = 161,473,040,474.33
  5. Step 5: Solve for x
    x = 161,473,040,474.33/568,598.70
  6. Step 6: Final answer
    x = 283,984.19

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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.