Home / 212,223.29-318,300.33-62,428.54

Finding the Fourth Proportional to 212,223.29, 318,300.33 and 62,428.54

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Solution

The fourth proportional to 212,223.29, 318,300.33 and 62,428.54 is: 93,632.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,223.29 : 318,300.33 = 62,428.54 : x
  2. Step 2: Convert to fraction form
    212,223.29/318,300.33 = 62,428.54/x
  3. Step 3: Cross multiply
    212,223.29x = 318,300.33 × 62,428.54
  4. Step 4: Simplify right side
    212,223.29x = 19,871,025,194.95
  5. Step 5: Solve for x
    x = 19,871,025,194.95/212,223.29
  6. Step 6: Final answer
    x = 93,632.63

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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.