Home / 495,045.16-683,163-268,690.68

Finding the Fourth Proportional to 495,045.16, 683,163 and 268,690.68

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Solution

The fourth proportional to 495,045.16, 683,163 and 268,690.68 is: 370,793.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,045.16 : 683,163 = 268,690.68 : x
  2. Step 2: Convert to fraction form
    495,045.16/683,163 = 268,690.68/x
  3. Step 3: Cross multiply
    495,045.16x = 683,163 × 268,690.68
  4. Step 4: Simplify right side
    495,045.16x = 183,559,531,020.84
  5. Step 5: Solve for x
    x = 183,559,531,020.84/495,045.16
  6. Step 6: Final answer
    x = 370,793.51

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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.