Home / 208,059.72-312,089.60-50,288.16

Finding the Fourth Proportional to 208,059.72, 312,089.60 and 50,288.16

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Solution

The fourth proportional to 208,059.72, 312,089.60 and 50,288.16 is: 75,432.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,059.72 : 312,089.60 = 50,288.16 : x
  2. Step 2: Convert to fraction form
    208,059.72/312,089.60 = 50,288.16/x
  3. Step 3: Cross multiply
    208,059.72x = 312,089.60 × 50,288.16
  4. Step 4: Simplify right side
    208,059.72x = 15,694,411,739.14
  5. Step 5: Solve for x
    x = 15,694,411,739.14/208,059.72
  6. Step 6: Final answer
    x = 75,432.24

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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.