Home / 255,970.32-383,656.50-192,586.80

Finding the Fourth Proportional to 255,970.32, 383,656.50 and 192,586.80

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Solution

The fourth proportional to 255,970.32, 383,656.50 and 192,586.80 is: 288,655.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,970.32 : 383,656.50 = 192,586.80 : x
  2. Step 2: Convert to fraction form
    255,970.32/383,656.50 = 192,586.80/x
  3. Step 3: Cross multiply
    255,970.32x = 383,656.50 × 192,586.80
  4. Step 4: Simplify right side
    255,970.32x = 73,887,177,634.20
  5. Step 5: Solve for x
    x = 73,887,177,634.20/255,970.32
  6. Step 6: Final answer
    x = 288,655.25

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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.