Home / 525,321-788,096.52-170,370.90

Finding the Fourth Proportional to 525,321, 788,096.52 and 170,370.90

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Solution

The fourth proportional to 525,321, 788,096.52 and 170,370.90 is: 255,593.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,321 : 788,096.52 = 170,370.90 : x
  2. Step 2: Convert to fraction form
    525,321/788,096.52 = 170,370.90/x
  3. Step 3: Cross multiply
    525,321x = 788,096.52 × 170,370.90
  4. Step 4: Simplify right side
    525,321x = 134,268,713,399.27
  5. Step 5: Solve for x
    x = 134,268,713,399.27/525,321
  6. Step 6: Final answer
    x = 255,593.65

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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.