Home / 409,487.04-565,092.66-228,195

Finding the Fourth Proportional to 409,487.04, 565,092.66 and 228,195

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Solution

The fourth proportional to 409,487.04, 565,092.66 and 228,195 is: 314,909.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,487.04 : 565,092.66 = 228,195 : x
  2. Step 2: Convert to fraction form
    409,487.04/565,092.66 = 228,195/x
  3. Step 3: Cross multiply
    409,487.04x = 565,092.66 × 228,195
  4. Step 4: Simplify right side
    409,487.04x = 128,951,319,548.70
  5. Step 5: Solve for x
    x = 128,951,319,548.70/409,487.04
  6. Step 6: Final answer
    x = 314,909.40

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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.