Home / 264,918.80-397,378.20-170,440.40

Finding the Fourth Proportional to 264,918.80, 397,378.20 and 170,440.40

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Solution

The fourth proportional to 264,918.80, 397,378.20 and 170,440.40 is: 255,660.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,918.80 : 397,378.20 = 170,440.40 : x
  2. Step 2: Convert to fraction form
    264,918.80/397,378.20 = 170,440.40/x
  3. Step 3: Cross multiply
    264,918.80x = 397,378.20 × 170,440.40
  4. Step 4: Simplify right side
    264,918.80x = 67,729,299,359.28
  5. Step 5: Solve for x
    x = 67,729,299,359.28/264,918.80
  6. Step 6: Final answer
    x = 255,660.60

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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.