Home / 449,187.89-619,869.81-245,228.95

Finding the Fourth Proportional to 449,187.89, 619,869.81 and 245,228.95

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Solution

The fourth proportional to 449,187.89, 619,869.81 and 245,228.95 is: 338,410.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,187.89 : 619,869.81 = 245,228.95 : x
  2. Step 2: Convert to fraction form
    449,187.89/619,869.81 = 245,228.95/x
  3. Step 3: Cross multiply
    449,187.89x = 619,869.81 × 245,228.95
  4. Step 4: Simplify right side
    449,187.89x = 152,010,023,256.07
  5. Step 5: Solve for x
    x = 152,010,023,256.07/449,187.89
  6. Step 6: Final answer
    x = 338,410.78

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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.