Home / 387,598.03-535,031.42-226,505.43

Finding the Fourth Proportional to 387,598.03, 535,031.42 and 226,505.43

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Solution

The fourth proportional to 387,598.03, 535,031.42 and 226,505.43 is: 312,662.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,598.03 : 535,031.42 = 226,505.43 : x
  2. Step 2: Convert to fraction form
    387,598.03/535,031.42 = 226,505.43/x
  3. Step 3: Cross multiply
    387,598.03x = 535,031.42 × 226,505.43
  4. Step 4: Simplify right side
    387,598.03x = 121,187,521,850.61
  5. Step 5: Solve for x
    x = 121,187,521,850.61/387,598.03
  6. Step 6: Final answer
    x = 312,662.89

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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.