Home / 255,983.58-383,949.45-69,013.98

Finding the Fourth Proportional to 255,983.58, 383,949.45 and 69,013.98

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Solution

The fourth proportional to 255,983.58, 383,949.45 and 69,013.98 is: 103,513.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,983.58 : 383,949.45 = 69,013.98 : x
  2. Step 2: Convert to fraction form
    255,983.58/383,949.45 = 69,013.98/x
  3. Step 3: Cross multiply
    255,983.58x = 383,949.45 × 69,013.98
  4. Step 4: Simplify right side
    255,983.58x = 26,497,879,663.31
  5. Step 5: Solve for x
    x = 26,497,879,663.31/255,983.58
  6. Step 6: Final answer
    x = 103,513.98

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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.