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Finding the Fourth Proportional to 495,294.75, 683,506.76 and 268,940.25

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Solution

The fourth proportional to 495,294.75, 683,506.76 and 268,940.25 is: 371,137.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,294.75 : 683,506.76 = 268,940.25 : x
  2. Step 2: Convert to fraction form
    495,294.75/683,506.76 = 268,940.25/x
  3. Step 3: Cross multiply
    495,294.75x = 683,506.76 × 268,940.25
  4. Step 4: Simplify right side
    495,294.75x = 183,822,477,566.39
  5. Step 5: Solve for x
    x = 183,822,477,566.39/495,294.75
  6. Step 6: Final answer
    x = 371,137.55

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1.5x scale

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.