Home / 208,226.52-312,340.59-50,454.72

Finding the Fourth Proportional to 208,226.52, 312,340.59 and 50,454.72

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Solution

The fourth proportional to 208,226.52, 312,340.59 and 50,454.72 is: 75,682.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,226.52 : 312,340.59 = 50,454.72 : x
  2. Step 2: Convert to fraction form
    208,226.52/312,340.59 = 50,454.72/x
  3. Step 3: Cross multiply
    208,226.52x = 312,340.59 × 50,454.72
  4. Step 4: Simplify right side
    208,226.52x = 15,759,057,013.08
  5. Step 5: Solve for x
    x = 15,759,057,013.08/208,226.52
  6. Step 6: Final answer
    x = 75,682.28

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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.