Home / 415,904.86-623,857.20-163,304.38

Finding the Fourth Proportional to 415,904.86, 623,857.20 and 163,304.38

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Solution

The fourth proportional to 415,904.86, 623,857.20 and 163,304.38 is: 244,956.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,904.86 : 623,857.20 = 163,304.38 : x
  2. Step 2: Convert to fraction form
    415,904.86/623,857.20 = 163,304.38/x
  3. Step 3: Cross multiply
    415,904.86x = 623,857.20 × 163,304.38
  4. Step 4: Simplify right side
    415,904.86x = 101,878,613,254.54
  5. Step 5: Solve for x
    x = 101,878,613,254.54/415,904.86
  6. Step 6: Final answer
    x = 244,956.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.