Home / 268,815.80-402,834.90-118,933.40

Finding the Fourth Proportional to 268,815.80, 402,834.90 and 118,933.40

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Solution

The fourth proportional to 268,815.80, 402,834.90 and 118,933.40 is: 178,228.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,815.80 : 402,834.90 = 118,933.40 : x
  2. Step 2: Convert to fraction form
    268,815.80/402,834.90 = 118,933.40/x
  3. Step 3: Cross multiply
    268,815.80x = 402,834.90 × 118,933.40
  4. Step 4: Simplify right side
    268,815.80x = 47,910,524,295.66
  5. Step 5: Solve for x
    x = 47,910,524,295.66/268,815.80
  6. Step 6: Final answer
    x = 178,228.08

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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.