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Finding the Fourth Proportional to 443,602.40, 612,170.64 and 252,615.88

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Solution

The fourth proportional to 443,602.40, 612,170.64 and 252,615.88 is: 348,609.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,602.40 : 612,170.64 = 252,615.88 : x
  2. Step 2: Convert to fraction form
    443,602.40/612,170.64 = 252,615.88/x
  3. Step 3: Cross multiply
    443,602.40x = 612,170.64 × 252,615.88
  4. Step 4: Simplify right side
    443,602.40x = 154,644,024,933.76
  5. Step 5: Solve for x
    x = 154,644,024,933.76/443,602.40
  6. Step 6: Final answer
    x = 348,609.53

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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.