Home / 260,511.30-390,766.95-94,277.70

Finding the Fourth Proportional to 260,511.30, 390,766.95 and 94,277.70

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Solution

The fourth proportional to 260,511.30, 390,766.95 and 94,277.70 is: 141,416.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,511.30 : 390,766.95 = 94,277.70 : x
  2. Step 2: Convert to fraction form
    260,511.30/390,766.95 = 94,277.70/x
  3. Step 3: Cross multiply
    260,511.30x = 390,766.95 × 94,277.70
  4. Step 4: Simplify right side
    260,511.30x = 36,840,609,282.02
  5. Step 5: Solve for x
    x = 36,840,609,282.02/260,511.30
  6. Step 6: Final answer
    x = 141,416.55

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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.