Home / 457,957.26-631,985.40-254,028.21

Finding the Fourth Proportional to 457,957.26, 631,985.40 and 254,028.21

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Solution

The fourth proportional to 457,957.26, 631,985.40 and 254,028.21 is: 350,561.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,957.26 : 631,985.40 = 254,028.21 : x
  2. Step 2: Convert to fraction form
    457,957.26/631,985.40 = 254,028.21/x
  3. Step 3: Cross multiply
    457,957.26x = 631,985.40 × 254,028.21
  4. Step 4: Simplify right side
    457,957.26x = 160,542,119,908.13
  5. Step 5: Solve for x
    x = 160,542,119,908.13/457,957.26
  6. Step 6: Final answer
    x = 350,561.36

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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.