Home / 255,982.08-383,947.20-69,012.48

Finding the Fourth Proportional to 255,982.08, 383,947.20 and 69,012.48

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Solution

The fourth proportional to 255,982.08, 383,947.20 and 69,012.48 is: 103,511.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,982.08 : 383,947.20 = 69,012.48 : x
  2. Step 2: Convert to fraction form
    255,982.08/383,947.20 = 69,012.48/x
  3. Step 3: Cross multiply
    255,982.08x = 383,947.20 × 69,012.48
  4. Step 4: Simplify right side
    255,982.08x = 26,497,148,461.06
  5. Step 5: Solve for x
    x = 26,497,148,461.06/255,982.08
  6. Step 6: Final answer
    x = 103,511.73

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1.5x scale

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.