Home / 373,392.49-515,261.37-212,225.17

Finding the Fourth Proportional to 373,392.49, 515,261.37 and 212,225.17

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Solution

The fourth proportional to 373,392.49, 515,261.37 and 212,225.17 is: 292,859.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,392.49 : 515,261.37 = 212,225.17 : x
  2. Step 2: Convert to fraction form
    373,392.49/515,261.37 = 212,225.17/x
  3. Step 3: Cross multiply
    373,392.49x = 515,261.37 × 212,225.17
  4. Step 4: Simplify right side
    373,392.49x = 109,351,431,842.68
  5. Step 5: Solve for x
    x = 109,351,431,842.68/373,392.49
  6. Step 6: Final answer
    x = 292,859.22

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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.