Home / 373,239.24-515,071.92-212,103

Finding the Fourth Proportional to 373,239.24, 515,071.92 and 212,103

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Solution

The fourth proportional to 373,239.24, 515,071.92 and 212,103 is: 292,703.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,239.24 : 515,071.92 = 212,103 : x
  2. Step 2: Convert to fraction form
    373,239.24/515,071.92 = 212,103/x
  3. Step 3: Cross multiply
    373,239.24x = 515,071.92 × 212,103
  4. Step 4: Simplify right side
    373,239.24x = 109,248,299,447.76
  5. Step 5: Solve for x
    x = 109,248,299,447.76/373,239.24
  6. Step 6: Final answer
    x = 292,703.15

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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.