Home / 255,840.15-383,889.63-170,509.23

Finding the Fourth Proportional to 255,840.15, 383,889.63 and 170,509.23

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Solution

The fourth proportional to 255,840.15, 383,889.63 and 170,509.23 is: 255,850.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,840.15 : 383,889.63 = 170,509.23 : x
  2. Step 2: Convert to fraction form
    255,840.15/383,889.63 = 170,509.23/x
  3. Step 3: Cross multiply
    255,840.15x = 383,889.63 × 170,509.23
  4. Step 4: Simplify right side
    255,840.15x = 65,456,725,216.28
  5. Step 5: Solve for x
    x = 65,456,725,216.28/255,840.15
  6. Step 6: Final answer
    x = 255,850.09

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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.