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Finding the Fourth Proportional to 303,419, 454,987.71 and 177,095.60

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Solution

The fourth proportional to 303,419, 454,987.71 and 177,095.60 is: 265,561.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,419 : 454,987.71 = 177,095.60 : x
  2. Step 2: Convert to fraction form
    303,419/454,987.71 = 177,095.60/x
  3. Step 3: Cross multiply
    303,419x = 454,987.71 × 177,095.60
  4. Step 4: Simplify right side
    303,419x = 80,576,321,495.08
  5. Step 5: Solve for x
    x = 80,576,321,495.08/303,419
  6. Step 6: Final answer
    x = 265,561.23

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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.