Home / 449,259.78-619,973.73-245,310.06

Finding the Fourth Proportional to 449,259.78, 619,973.73 and 245,310.06

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Solution

The fourth proportional to 449,259.78, 619,973.73 and 245,310.06 is: 338,525.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,259.78 : 619,973.73 = 245,310.06 : x
  2. Step 2: Convert to fraction form
    449,259.78/619,973.73 = 245,310.06/x
  3. Step 3: Cross multiply
    449,259.78x = 619,973.73 × 245,310.06
  4. Step 4: Simplify right side
    449,259.78x = 152,085,792,904.72
  5. Step 5: Solve for x
    x = 152,085,792,904.72/449,259.78
  6. Step 6: Final answer
    x = 338,525.28

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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.