Home / 205,011.72-307,494.70-55,266.92

Finding the Fourth Proportional to 205,011.72, 307,494.70 and 55,266.92

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Solution

The fourth proportional to 205,011.72, 307,494.70 and 55,266.92 is: 82,894.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,011.72 : 307,494.70 = 55,266.92 : x
  2. Step 2: Convert to fraction form
    205,011.72/307,494.70 = 55,266.92/x
  3. Step 3: Cross multiply
    205,011.72x = 307,494.70 × 55,266.92
  4. Step 4: Simplify right side
    205,011.72x = 16,994,284,985.32
  5. Step 5: Solve for x
    x = 16,994,284,985.32/205,011.72
  6. Step 6: Final answer
    x = 82,894.21

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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.