Home / 495,039.16-683,154.72-268,684.68

Finding the Fourth Proportional to 495,039.16, 683,154.72 and 268,684.68

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Solution

The fourth proportional to 495,039.16, 683,154.72 and 268,684.68 is: 370,785.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,039.16 : 683,154.72 = 268,684.68 : x
  2. Step 2: Convert to fraction form
    495,039.16/683,154.72 = 268,684.68/x
  3. Step 3: Cross multiply
    495,039.16x = 683,154.72 × 268,684.68
  4. Step 4: Simplify right side
    495,039.16x = 183,553,207,333.69
  5. Step 5: Solve for x
    x = 183,553,207,333.69/495,039.16
  6. Step 6: Final answer
    x = 370,785.23

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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.