Home / 905,206.10-1,357,808.94-231,288.66

Finding the Fourth Proportional to 905,206.10, 1,357,808.94 and 231,288.66

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Solution

The fourth proportional to 905,206.10, 1,357,808.94 and 231,288.66 is: 346,932.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,206.10 : 1,357,808.94 = 231,288.66 : x
  2. Step 2: Convert to fraction form
    905,206.10/1,357,808.94 = 231,288.66/x
  3. Step 3: Cross multiply
    905,206.10x = 1,357,808.94 × 231,288.66
  4. Step 4: Simplify right side
    905,206.10x = 314,045,810,268.62
  5. Step 5: Solve for x
    x = 314,045,810,268.62/905,206.10
  6. Step 6: Final answer
    x = 346,932.94

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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.