Home / 340,819.35-511,224.23-153,830.55

Finding the Fourth Proportional to 340,819.35, 511,224.23 and 153,830.55

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Solution

The fourth proportional to 340,819.35, 511,224.23 and 153,830.55 is: 230,743.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,819.35 : 511,224.23 = 153,830.55 : x
  2. Step 2: Convert to fraction form
    340,819.35/511,224.23 = 153,830.55/x
  3. Step 3: Cross multiply
    340,819.35x = 511,224.23 × 153,830.55
  4. Step 4: Simplify right side
    340,819.35x = 78,641,903,705.07
  5. Step 5: Solve for x
    x = 78,641,903,705.07/340,819.35
  6. Step 6: Final answer
    x = 230,743.66

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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.