Home / 449,212.06-619,913.77-245,264.75

Finding the Fourth Proportional to 449,212.06, 619,913.77 and 245,264.75

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Solution

The fourth proportional to 449,212.06, 619,913.77 and 245,264.75 is: 338,465.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,212.06 : 619,913.77 = 245,264.75 : x
  2. Step 2: Convert to fraction form
    449,212.06/619,913.77 = 245,264.75/x
  3. Step 3: Cross multiply
    449,212.06x = 619,913.77 × 245,264.75
  4. Step 4: Simplify right side
    449,212.06x = 152,042,994,432.55
  5. Step 5: Solve for x
    x = 152,042,994,432.55/449,212.06
  6. Step 6: Final answer
    x = 338,465.97

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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.