Home / 495,338.31-683,569.40-268,983.81

Finding the Fourth Proportional to 495,338.31, 683,569.40 and 268,983.81

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Solution

The fourth proportional to 495,338.31, 683,569.40 and 268,983.81 is: 371,199.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,338.31 : 683,569.40 = 268,983.81 : x
  2. Step 2: Convert to fraction form
    495,338.31/683,569.40 = 268,983.81/x
  3. Step 3: Cross multiply
    495,338.31x = 683,569.40 × 268,983.81
  4. Step 4: Simplify right side
    495,338.31x = 183,869,100,266.50
  5. Step 5: Solve for x
    x = 183,869,100,266.50/495,338.31
  6. Step 6: Final answer
    x = 371,199.03

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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.