Home / 495,297.75-683,510.90-268,943.25

Finding the Fourth Proportional to 495,297.75, 683,510.90 and 268,943.25

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Solution

The fourth proportional to 495,297.75, 683,510.90 and 268,943.25 is: 371,141.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,297.75 : 683,510.90 = 268,943.25 : x
  2. Step 2: Convert to fraction form
    495,297.75/683,510.90 = 268,943.25/x
  3. Step 3: Cross multiply
    495,297.75x = 683,510.90 × 268,943.25
  4. Step 4: Simplify right side
    495,297.75x = 183,825,641,511.71
  5. Step 5: Solve for x
    x = 183,825,641,511.71/495,297.75
  6. Step 6: Final answer
    x = 371,141.69

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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.