Home / 384,150.80-576,226.20-258,179.60

Finding the Fourth Proportional to 384,150.80, 576,226.20 and 258,179.60

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Solution

The fourth proportional to 384,150.80, 576,226.20 and 258,179.60 is: 387,269.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,150.80 : 576,226.20 = 258,179.60 : x
  2. Step 2: Convert to fraction form
    384,150.80/576,226.20 = 258,179.60/x
  3. Step 3: Cross multiply
    384,150.80x = 576,226.20 × 258,179.60
  4. Step 4: Simplify right side
    384,150.80x = 148,769,849,825.52
  5. Step 5: Solve for x
    x = 148,769,849,825.52/384,150.80
  6. Step 6: Final answer
    x = 387,269.40

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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.