Home / 260,450.94-390,705.03-82,895.70

Finding the Fourth Proportional to 260,450.94, 390,705.03 and 82,895.70

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Solution

The fourth proportional to 260,450.94, 390,705.03 and 82,895.70 is: 124,352.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,450.94 : 390,705.03 = 82,895.70 : x
  2. Step 2: Convert to fraction form
    260,450.94/390,705.03 = 82,895.70/x
  3. Step 3: Cross multiply
    260,450.94x = 390,705.03 × 82,895.70
  4. Step 4: Simplify right side
    260,450.94x = 32,387,766,955.37
  5. Step 5: Solve for x
    x = 32,387,766,955.37/260,450.94
  6. Step 6: Final answer
    x = 124,352.66

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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.