Home / 311,535.23-429,927.47-173,717.33

Finding the Fourth Proportional to 311,535.23, 429,927.47 and 173,717.33

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Solution

The fourth proportional to 311,535.23, 429,927.47 and 173,717.33 is: 239,734.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,535.23 : 429,927.47 = 173,717.33 : x
  2. Step 2: Convert to fraction form
    311,535.23/429,927.47 = 173,717.33/x
  3. Step 3: Cross multiply
    311,535.23x = 429,927.47 × 173,717.33
  4. Step 4: Simplify right side
    311,535.23x = 74,685,849,163.83
  5. Step 5: Solve for x
    x = 74,685,849,163.83/311,535.23
  6. Step 6: Final answer
    x = 239,734.85

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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.