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Finding the Fourth Proportional to 435,736, 653,604 and 140,248

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Solution

The fourth proportional to 435,736, 653,604 and 140,248 is: 210,372

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,736 : 653,604 = 140,248 : x
  2. Step 2: Convert to fraction form
    435,736/653,604 = 140,248/x
  3. Step 3: Cross multiply
    435,736x = 653,604 × 140,248
  4. Step 4: Simplify right side
    435,736x = 91,666,653,792
  5. Step 5: Solve for x
    x = 91,666,653,792/435,736
  6. Step 6: Final answer
    x = 210,372

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