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Finding the Fourth Proportional to 443,736, 665,604 and 148,248

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Solution

The fourth proportional to 443,736, 665,604 and 148,248 is: 222,372

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,736 : 665,604 = 148,248 : x
  2. Step 2: Convert to fraction form
    443,736/665,604 = 148,248/x
  3. Step 3: Cross multiply
    443,736x = 665,604 × 148,248
  4. Step 4: Simplify right side
    443,736x = 98,674,461,792
  5. Step 5: Solve for x
    x = 98,674,461,792/443,736
  6. Step 6: Final answer
    x = 222,372

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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.