Home / 388,726.21-536,460.33-227,633.14

Finding the Fourth Proportional to 388,726.21, 536,460.33 and 227,633.14

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Solution

The fourth proportional to 388,726.21, 536,460.33 and 227,633.14 is: 314,144.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,726.21 : 536,460.33 = 227,633.14 : x
  2. Step 2: Convert to fraction form
    388,726.21/536,460.33 = 227,633.14/x
  3. Step 3: Cross multiply
    388,726.21x = 536,460.33 × 227,633.14
  4. Step 4: Simplify right side
    388,726.21x = 122,116,149,403.34
  5. Step 5: Solve for x
    x = 122,116,149,403.34/388,726.21
  6. Step 6: Final answer
    x = 314,144.37

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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.