Home / 347,739.40-521,954.70-170,446.60

Finding the Fourth Proportional to 347,739.40, 521,954.70 and 170,446.60

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Solution

The fourth proportional to 347,739.40, 521,954.70 and 170,446.60 is: 255,839.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,739.40 : 521,954.70 = 170,446.60 : x
  2. Step 2: Convert to fraction form
    347,739.40/521,954.70 = 170,446.60/x
  3. Step 3: Cross multiply
    347,739.40x = 521,954.70 × 170,446.60
  4. Step 4: Simplify right side
    347,739.40x = 88,965,403,969.02
  5. Step 5: Solve for x
    x = 88,965,403,969.02/347,739.40
  6. Step 6: Final answer
    x = 255,839.30

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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.