Home / 272,830.24-376,743.92-171,031.12

Finding the Fourth Proportional to 272,830.24, 376,743.92 and 171,031.12

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Solution

The fourth proportional to 272,830.24, 376,743.92 and 171,031.12 is: 236,172.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,830.24 : 376,743.92 = 171,031.12 : x
  2. Step 2: Convert to fraction form
    272,830.24/376,743.92 = 171,031.12/x
  3. Step 3: Cross multiply
    272,830.24x = 376,743.92 × 171,031.12
  4. Step 4: Simplify right side
    272,830.24x = 64,434,934,590.79
  5. Step 5: Solve for x
    x = 64,434,934,590.79/272,830.24
  6. Step 6: Final answer
    x = 236,172.26

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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.