Home / 316,724.15-437,122.81-194,194.86

Finding the Fourth Proportional to 316,724.15, 437,122.81 and 194,194.86

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Solution

The fourth proportional to 316,724.15, 437,122.81 and 194,194.86 is: 268,015.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,724.15 : 437,122.81 = 194,194.86 : x
  2. Step 2: Convert to fraction form
    316,724.15/437,122.81 = 194,194.86/x
  3. Step 3: Cross multiply
    316,724.15x = 437,122.81 × 194,194.86
  4. Step 4: Simplify right side
    316,724.15x = 84,887,002,890.76
  5. Step 5: Solve for x
    x = 84,887,002,890.76/316,724.15
  6. Step 6: Final answer
    x = 268,015.57

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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.