Home / 443,293.28-664,636.19-158,977.74

Finding the Fourth Proportional to 443,293.28, 664,636.19 and 158,977.74

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Solution

The fourth proportional to 443,293.28, 664,636.19 and 158,977.74 is: 238,357.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,293.28 : 664,636.19 = 158,977.74 : x
  2. Step 2: Convert to fraction form
    443,293.28/664,636.19 = 158,977.74/x
  3. Step 3: Cross multiply
    443,293.28x = 664,636.19 × 158,977.74
  4. Step 4: Simplify right side
    443,293.28x = 105,662,359,408.41
  5. Step 5: Solve for x
    x = 105,662,359,408.41/443,293.28
  6. Step 6: Final answer
    x = 238,357.69

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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.