Home / 495,042.72-683,140.68-268,683.36

Finding the Fourth Proportional to 495,042.72, 683,140.68 and 268,683.36

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Solution

The fourth proportional to 495,042.72, 683,140.68 and 268,683.36 is: 370,773.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,042.72 : 683,140.68 = 268,683.36 : x
  2. Step 2: Convert to fraction form
    495,042.72/683,140.68 = 268,683.36/x
  3. Step 3: Cross multiply
    495,042.72x = 683,140.68 × 268,683.36
  4. Step 4: Simplify right side
    495,042.72x = 183,548,533,255.09
  5. Step 5: Solve for x
    x = 183,548,533,255.09/495,042.72
  6. Step 6: Final answer
    x = 370,773.12

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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.