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Finding the Fourth Proportional to 443,748, 665,622 and 148,260

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Solution

The fourth proportional to 443,748, 665,622 and 148,260 is: 222,390

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,748 : 665,622 = 148,260 : x
  2. Step 2: Convert to fraction form
    443,748/665,622 = 148,260/x
  3. Step 3: Cross multiply
    443,748x = 665,622 × 148,260
  4. Step 4: Simplify right side
    443,748x = 98,685,117,720
  5. Step 5: Solve for x
    x = 98,685,117,720/443,748
  6. Step 6: Final answer
    x = 222,390

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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.