Home / 457,278.21-631,043.91-250,547.43

Finding the Fourth Proportional to 457,278.21, 631,043.91 and 250,547.43

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Solution

The fourth proportional to 457,278.21, 631,043.91 and 250,547.43 is: 345,755.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,278.21 : 631,043.91 = 250,547.43 : x
  2. Step 2: Convert to fraction form
    457,278.21/631,043.91 = 250,547.43/x
  3. Step 3: Cross multiply
    457,278.21x = 631,043.91 × 250,547.43
  4. Step 4: Simplify right side
    457,278.21x = 158,106,429,867.65
  5. Step 5: Solve for x
    x = 158,106,429,867.65/457,278.21
  6. Step 6: Final answer
    x = 345,755.44

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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.