Home / 645,289.68-967,931.24-165,515.44

Finding the Fourth Proportional to 645,289.68, 967,931.24 and 165,515.44

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Solution

The fourth proportional to 645,289.68, 967,931.24 and 165,515.44 is: 248,272.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,289.68 : 967,931.24 = 165,515.44 : x
  2. Step 2: Convert to fraction form
    645,289.68/967,931.24 = 165,515.44/x
  3. Step 3: Cross multiply
    645,289.68x = 967,931.24 × 165,515.44
  4. Step 4: Simplify right side
    645,289.68x = 160,207,565,078.35
  5. Step 5: Solve for x
    x = 160,207,565,078.35/645,289.68
  6. Step 6: Final answer
    x = 248,272.32

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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.