Home / 645,225.85-967,835.54-165,451.51

Finding the Fourth Proportional to 645,225.85, 967,835.54 and 165,451.51

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Solution

The fourth proportional to 645,225.85, 967,835.54 and 165,451.51 is: 248,176.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,225.85 : 967,835.54 = 165,451.51 : x
  2. Step 2: Convert to fraction form
    645,225.85/967,835.54 = 165,451.51/x
  3. Step 3: Cross multiply
    645,225.85x = 967,835.54 × 165,451.51
  4. Step 4: Simplify right side
    645,225.85x = 160,129,852,217.42
  5. Step 5: Solve for x
    x = 160,129,852,217.42/645,225.85
  6. Step 6: Final answer
    x = 248,176.44

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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.