Home / 551,125-826,739.75-214,191.63

Finding the Fourth Proportional to 551,125, 826,739.75 and 214,191.63

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Solution

The fourth proportional to 551,125, 826,739.75 and 214,191.63 is: 321,307.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,125 : 826,739.75 = 214,191.63 : x
  2. Step 2: Convert to fraction form
    551,125/826,739.75 = 214,191.63/x
  3. Step 3: Cross multiply
    551,125x = 826,739.75 × 214,191.63
  4. Step 4: Simplify right side
    551,125x = 177,080,734,638.29
  5. Step 5: Solve for x
    x = 177,080,734,638.29/551,125
  6. Step 6: Final answer
    x = 321,307.75

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1.5x scale

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.