Home / 304,611.10-456,417.26-215,704.96

Finding the Fourth Proportional to 304,611.10, 456,417.26 and 215,704.96

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Solution

The fourth proportional to 304,611.10, 456,417.26 and 215,704.96 is: 323,203.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,611.10 : 456,417.26 = 215,704.96 : x
  2. Step 2: Convert to fraction form
    304,611.10/456,417.26 = 215,704.96/x
  3. Step 3: Cross multiply
    304,611.10x = 456,417.26 × 215,704.96
  4. Step 4: Simplify right side
    304,611.10x = 98,451,466,811.61
  5. Step 5: Solve for x
    x = 98,451,466,811.61/304,611.10
  6. Step 6: Final answer
    x = 323,203.81

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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.