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Finding the Fourth Proportional to 303,420.53, 454,990.01 and 177,097.13

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Solution

The fourth proportional to 303,420.53, 454,990.01 and 177,097.13 is: 265,563.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,420.53 : 454,990.01 = 177,097.13 : x
  2. Step 2: Convert to fraction form
    303,420.53/454,990.01 = 177,097.13/x
  3. Step 3: Cross multiply
    303,420.53x = 454,990.01 × 177,097.13
  4. Step 4: Simplify right side
    303,420.53x = 80,577,427,050.94
  5. Step 5: Solve for x
    x = 80,577,427,050.94/303,420.53
  6. Step 6: Final answer
    x = 265,563.53

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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.