Home / 457,253.46-631,009.67-253,317.62

Finding the Fourth Proportional to 457,253.46, 631,009.67 and 253,317.62

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Solution

The fourth proportional to 457,253.46, 631,009.67 and 253,317.62 is: 349,578.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,253.46 : 631,009.67 = 253,317.62 : x
  2. Step 2: Convert to fraction form
    457,253.46/631,009.67 = 253,317.62/x
  3. Step 3: Cross multiply
    457,253.46x = 631,009.67 × 253,317.62
  4. Step 4: Simplify right side
    457,253.46x = 159,845,868,112.32
  5. Step 5: Solve for x
    x = 159,845,868,112.32/457,253.46
  6. Step 6: Final answer
    x = 349,578.26

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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.