Home / 212,289.51-318,383.19-62,489.10

Finding the Fourth Proportional to 212,289.51, 318,383.19 and 62,489.10

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Solution

The fourth proportional to 212,289.51, 318,383.19 and 62,489.10 is: 93,718.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,289.51 : 318,383.19 = 62,489.10 : x
  2. Step 2: Convert to fraction form
    212,289.51/318,383.19 = 62,489.10/x
  3. Step 3: Cross multiply
    212,289.51x = 318,383.19 × 62,489.10
  4. Step 4: Simplify right side
    212,289.51x = 19,895,478,998.23
  5. Step 5: Solve for x
    x = 19,895,478,998.23/212,289.51
  6. Step 6: Final answer
    x = 93,718.62

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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.