Home / 345,827.34-518,794.65-146,148.57

Finding the Fourth Proportional to 345,827.34, 518,794.65 and 146,148.57

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Solution

The fourth proportional to 345,827.34, 518,794.65 and 146,148.57 is: 219,245.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,827.34 : 518,794.65 = 146,148.57 : x
  2. Step 2: Convert to fraction form
    345,827.34/518,794.65 = 146,148.57/x
  3. Step 3: Cross multiply
    345,827.34x = 518,794.65 × 146,148.57
  4. Step 4: Simplify right side
    345,827.34x = 75,821,096,221.15
  5. Step 5: Solve for x
    x = 75,821,096,221.15/345,827.34
  6. Step 6: Final answer
    x = 219,245.52

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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.