Home / 268,975.80-403,463.70-178,774.20

Finding the Fourth Proportional to 268,975.80, 403,463.70 and 178,774.20

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Solution

The fourth proportional to 268,975.80, 403,463.70 and 178,774.20 is: 268,161.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,975.80 : 403,463.70 = 178,774.20 : x
  2. Step 2: Convert to fraction form
    268,975.80/403,463.70 = 178,774.20/x
  3. Step 3: Cross multiply
    268,975.80x = 403,463.70 × 178,774.20
  4. Step 4: Simplify right side
    268,975.80x = 72,128,900,196.54
  5. Step 5: Solve for x
    x = 72,128,900,196.54/268,975.80
  6. Step 6: Final answer
    x = 268,161.30

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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.