Home / 306,124.11-458,869.05-221,673.11

Finding the Fourth Proportional to 306,124.11, 458,869.05 and 221,673.11

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Solution

The fourth proportional to 306,124.11, 458,869.05 and 221,673.11 is: 332,280.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,124.11 : 458,869.05 = 221,673.11 : x
  2. Step 2: Convert to fraction form
    306,124.11/458,869.05 = 221,673.11/x
  3. Step 3: Cross multiply
    306,124.11x = 458,869.05 × 221,673.11
  4. Step 4: Simplify right side
    306,124.11x = 101,718,927,101.90
  5. Step 5: Solve for x
    x = 101,718,927,101.90/306,124.11
  6. Step 6: Final answer
    x = 332,280.03

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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.