Home / 436,226.94-653,869.80-211,111.74

Finding the Fourth Proportional to 436,226.94, 653,869.80 and 211,111.74

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Solution

The fourth proportional to 436,226.94, 653,869.80 and 211,111.74 is: 316,439.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,226.94 : 653,869.80 = 211,111.74 : x
  2. Step 2: Convert to fraction form
    436,226.94/653,869.80 = 211,111.74/x
  3. Step 3: Cross multiply
    436,226.94x = 653,869.80 × 211,111.74
  4. Step 4: Simplify right side
    436,226.94x = 138,039,591,211.45
  5. Step 5: Solve for x
    x = 138,039,591,211.45/436,226.94
  6. Step 6: Final answer
    x = 316,439.86

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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.