Home / 231,739.20-346,952.70-208,119.60

Finding the Fourth Proportional to 231,739.20, 346,952.70 and 208,119.60

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Solution

The fourth proportional to 231,739.20, 346,952.70 and 208,119.60 is: 311,590.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,739.20 : 346,952.70 = 208,119.60 : x
  2. Step 2: Convert to fraction form
    231,739.20/346,952.70 = 208,119.60/x
  3. Step 3: Cross multiply
    231,739.20x = 346,952.70 × 208,119.60
  4. Step 4: Simplify right side
    231,739.20x = 72,207,657,142.92
  5. Step 5: Solve for x
    x = 72,207,657,142.92/231,739.20
  6. Step 6: Final answer
    x = 311,590.17

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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.