Home / 289,630.04-434,608.20-226,272.59

Finding the Fourth Proportional to 289,630.04, 434,608.20 and 226,272.59

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Solution

The fourth proportional to 289,630.04, 434,608.20 and 226,272.59 is: 339,536.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,630.04 : 434,608.20 = 226,272.59 : x
  2. Step 2: Convert to fraction form
    289,630.04/434,608.20 = 226,272.59/x
  3. Step 3: Cross multiply
    289,630.04x = 434,608.20 × 226,272.59
  4. Step 4: Simplify right side
    289,630.04x = 98,339,920,876.20
  5. Step 5: Solve for x
    x = 98,339,920,876.20/289,630.04
  6. Step 6: Final answer
    x = 339,536.34

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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.