Home / 400,172.55-600,259.84-163,515.23

Finding the Fourth Proportional to 400,172.55, 600,259.84 and 163,515.23

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Solution

The fourth proportional to 400,172.55, 600,259.84 and 163,515.23 is: 245,273.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,172.55 : 600,259.84 = 163,515.23 : x
  2. Step 2: Convert to fraction form
    400,172.55/600,259.84 = 163,515.23/x
  3. Step 3: Cross multiply
    400,172.55x = 600,259.84 × 163,515.23
  4. Step 4: Simplify right side
    400,172.55x = 98,151,625,797.36
  5. Step 5: Solve for x
    x = 98,151,625,797.36/400,172.55
  6. Step 6: Final answer
    x = 245,273.26

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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.