Home / 457,287.24-631,060.82-253,342.50

Finding the Fourth Proportional to 457,287.24, 631,060.82 and 253,342.50

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Solution

The fourth proportional to 457,287.24, 631,060.82 and 253,342.50 is: 349,615.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,287.24 : 631,060.82 = 253,342.50 : x
  2. Step 2: Convert to fraction form
    457,287.24/631,060.82 = 253,342.50/x
  3. Step 3: Cross multiply
    457,287.24x = 631,060.82 × 253,342.50
  4. Step 4: Simplify right side
    457,287.24x = 159,874,525,790.85
  5. Step 5: Solve for x
    x = 159,874,525,790.85/457,287.24
  6. Step 6: Final answer
    x = 349,615.10

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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.