Home / 260,877.30-391,264.63-83,336.46

Finding the Fourth Proportional to 260,877.30, 391,264.63 and 83,336.46

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Solution

The fourth proportional to 260,877.30, 391,264.63 and 83,336.46 is: 124,988.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,877.30 : 391,264.63 = 83,336.46 : x
  2. Step 2: Convert to fraction form
    260,877.30/391,264.63 = 83,336.46/x
  3. Step 3: Cross multiply
    260,877.30x = 391,264.63 × 83,336.46
  4. Step 4: Simplify right side
    260,877.30x = 32,606,609,187.41
  5. Step 5: Solve for x
    x = 32,606,609,187.41/260,877.30
  6. Step 6: Final answer
    x = 124,988.30

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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.