Home / 212,107.29-318,084.39-62,307.51

Finding the Fourth Proportional to 212,107.29, 318,084.39 and 62,307.51

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Solution

The fourth proportional to 212,107.29, 318,084.39 and 62,307.51 is: 93,438.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,107.29 : 318,084.39 = 62,307.51 : x
  2. Step 2: Convert to fraction form
    212,107.29/318,084.39 = 62,307.51/x
  3. Step 3: Cross multiply
    212,107.29x = 318,084.39 × 62,307.51
  4. Step 4: Simplify right side
    212,107.29x = 19,819,046,310.77
  5. Step 5: Solve for x
    x = 19,819,046,310.77/212,107.29
  6. Step 6: Final answer
    x = 93,438.78

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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.