Home / 495,706.82-743,558.70-140,721.08

Finding the Fourth Proportional to 495,706.82, 743,558.70 and 140,721.08

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Solution

The fourth proportional to 495,706.82, 743,558.70 and 140,721.08 is: 211,081.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,706.82 : 743,558.70 = 140,721.08 : x
  2. Step 2: Convert to fraction form
    495,706.82/743,558.70 = 140,721.08/x
  3. Step 3: Cross multiply
    495,706.82x = 743,558.70 × 140,721.08
  4. Step 4: Simplify right side
    495,706.82x = 104,634,383,307.40
  5. Step 5: Solve for x
    x = 104,634,383,307.40/495,706.82
  6. Step 6: Final answer
    x = 211,081.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.