Home / 525,211.20-788,011.20-170,236.80

Finding the Fourth Proportional to 525,211.20, 788,011.20 and 170,236.80

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Solution

The fourth proportional to 525,211.20, 788,011.20 and 170,236.80 is: 255,418.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,211.20 : 788,011.20 = 170,236.80 : x
  2. Step 2: Convert to fraction form
    525,211.20/788,011.20 = 170,236.80/x
  3. Step 3: Cross multiply
    525,211.20x = 788,011.20 × 170,236.80
  4. Step 4: Simplify right side
    525,211.20x = 134,148,505,052.16
  5. Step 5: Solve for x
    x = 134,148,505,052.16/525,211.20
  6. Step 6: Final answer
    x = 255,418.21

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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.