Home / 457,429.02-631,285.29-276,185.04

Finding the Fourth Proportional to 457,429.02, 631,285.29 and 276,185.04

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Solution

The fourth proportional to 457,429.02, 631,285.29 and 276,185.04 is: 381,155.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,429.02 : 631,285.29 = 276,185.04 : x
  2. Step 2: Convert to fraction form
    457,429.02/631,285.29 = 276,185.04/x
  3. Step 3: Cross multiply
    457,429.02x = 631,285.29 × 276,185.04
  4. Step 4: Simplify right side
    457,429.02x = 174,351,553,070.06
  5. Step 5: Solve for x
    x = 174,351,553,070.06/457,429.02
  6. Step 6: Final answer
    x = 381,155.43

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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.