Home / 443,836.56-612,461.28-252,812.64

Finding the Fourth Proportional to 443,836.56, 612,461.28 and 252,812.64

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Solution

The fourth proportional to 443,836.56, 612,461.28 and 252,812.64 is: 348,862.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,836.56 : 612,461.28 = 252,812.64 : x
  2. Step 2: Convert to fraction form
    443,836.56/612,461.28 = 252,812.64/x
  3. Step 3: Cross multiply
    443,836.56x = 612,461.28 × 252,812.64
  4. Step 4: Simplify right side
    443,836.56x = 154,837,953,094.58
  5. Step 5: Solve for x
    x = 154,837,953,094.58/443,836.56
  6. Step 6: Final answer
    x = 348,862.55

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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.