Home / 255,205.50-382,779.09-68,231.58

Finding the Fourth Proportional to 255,205.50, 382,779.09 and 68,231.58

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Solution

The fourth proportional to 255,205.50, 382,779.09 and 68,231.58 is: 102,339.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,205.50 : 382,779.09 = 68,231.58 : x
  2. Step 2: Convert to fraction form
    255,205.50/382,779.09 = 68,231.58/x
  3. Step 3: Cross multiply
    255,205.50x = 382,779.09 × 68,231.58
  4. Step 4: Simplify right side
    255,205.50x = 26,117,623,229.19
  5. Step 5: Solve for x
    x = 26,117,623,229.19/255,205.50
  6. Step 6: Final answer
    x = 102,339.58

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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.