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Finding the Fourth Proportional to 443,402.98, 611,701.73 and 271,329.21

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Solution

The fourth proportional to 443,402.98, 611,701.73 and 271,329.21 is: 374,315.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,402.98 : 611,701.73 = 271,329.21 : x
  2. Step 2: Convert to fraction form
    443,402.98/611,701.73 = 271,329.21/x
  3. Step 3: Cross multiply
    443,402.98x = 611,701.73 × 271,329.21
  4. Step 4: Simplify right side
    443,402.98x = 165,972,547,156.53
  5. Step 5: Solve for x
    x = 165,972,547,156.53/443,402.98
  6. Step 6: Final answer
    x = 374,315.36

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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.