Home / 495,039.16-683,154.66-268,684.72

Finding the Fourth Proportional to 495,039.16, 683,154.66 and 268,684.72

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Solution

The fourth proportional to 495,039.16, 683,154.66 and 268,684.72 is: 370,785.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,039.16 : 683,154.66 = 268,684.72 : x
  2. Step 2: Convert to fraction form
    495,039.16/683,154.66 = 268,684.72/x
  3. Step 3: Cross multiply
    495,039.16x = 683,154.66 × 268,684.72
  4. Step 4: Simplify right side
    495,039.16x = 183,553,218,538.80
  5. Step 5: Solve for x
    x = 183,553,218,538.80/495,039.16
  6. Step 6: Final answer
    x = 370,785.25

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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.