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Finding the Fourth Proportional to 568,745.84, 852,462.65 and 213,533.30

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Solution

The fourth proportional to 568,745.84, 852,462.65 and 213,533.30 is: 320,053.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,745.84 : 852,462.65 = 213,533.30 : x
  2. Step 2: Convert to fraction form
    568,745.84/852,462.65 = 213,533.30/x
  3. Step 3: Cross multiply
    568,745.84x = 852,462.65 × 213,533.30
  4. Step 4: Simplify right side
    568,745.84x = 182,029,159,052.77
  5. Step 5: Solve for x
    x = 182,029,159,052.77/568,745.84
  6. Step 6: Final answer
    x = 320,053.61

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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.