Home / 257,726.40-356,003.10-214,845.96

Finding the Fourth Proportional to 257,726.40, 356,003.10 and 214,845.96

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Solution

The fourth proportional to 257,726.40, 356,003.10 and 214,845.96 is: 296,771.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,726.40 : 356,003.10 = 214,845.96 : x
  2. Step 2: Convert to fraction form
    257,726.40/356,003.10 = 214,845.96/x
  3. Step 3: Cross multiply
    257,726.40x = 356,003.10 × 214,845.96
  4. Step 4: Simplify right side
    257,726.40x = 76,485,827,782.48
  5. Step 5: Solve for x
    x = 76,485,827,782.48/257,726.40
  6. Step 6: Final answer
    x = 296,771.41

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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.