Home / 486,146.80-670,815.38-271,245.10

Finding the Fourth Proportional to 486,146.80, 670,815.38 and 271,245.10

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Solution

The fourth proportional to 486,146.80, 670,815.38 and 271,245.10 is: 374,280.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,146.80 : 670,815.38 = 271,245.10 : x
  2. Step 2: Convert to fraction form
    486,146.80/670,815.38 = 271,245.10/x
  3. Step 3: Cross multiply
    486,146.80x = 670,815.38 × 271,245.10
  4. Step 4: Simplify right side
    486,146.80x = 181,955,384,829.64
  5. Step 5: Solve for x
    x = 181,955,384,829.64/486,146.80
  6. Step 6: Final answer
    x = 374,280.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.