Home / 373,265.49-515,106.36-212,120.85

Finding the Fourth Proportional to 373,265.49, 515,106.36 and 212,120.85

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Solution

The fourth proportional to 373,265.49, 515,106.36 and 212,120.85 is: 292,726.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,265.49 : 515,106.36 = 212,120.85 : x
  2. Step 2: Convert to fraction form
    373,265.49/515,106.36 = 212,120.85/x
  3. Step 3: Cross multiply
    373,265.49x = 515,106.36 × 212,120.85
  4. Step 4: Simplify right side
    373,265.49x = 109,264,798,923.61
  5. Step 5: Solve for x
    x = 109,264,798,923.61/373,265.49
  6. Step 6: Final answer
    x = 292,726.76

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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.