Home / 495,039.43-742,440.18-228,543.97

Finding the Fourth Proportional to 495,039.43, 742,440.18 and 228,543.97

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Solution

The fourth proportional to 495,039.43, 742,440.18 and 228,543.97 is: 342,761.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,039.43 : 742,440.18 = 228,543.97 : x
  2. Step 2: Convert to fraction form
    495,039.43/742,440.18 = 228,543.97/x
  3. Step 3: Cross multiply
    495,039.43x = 742,440.18 × 228,543.97
  4. Step 4: Simplify right side
    495,039.43x = 169,680,226,224.72
  5. Step 5: Solve for x
    x = 169,680,226,224.72/495,039.43
  6. Step 6: Final answer
    x = 342,761.03

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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.