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Finding the Fourth Proportional to 181,364.10, 271,718.10 and 155,120.10

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Solution

The fourth proportional to 181,364.10, 271,718.10 and 155,120.10 is: 232,399.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,364.10 : 271,718.10 = 155,120.10 : x
  2. Step 2: Convert to fraction form
    181,364.10/271,718.10 = 155,120.10/x
  3. Step 3: Cross multiply
    181,364.10x = 271,718.10 × 155,120.10
  4. Step 4: Simplify right side
    181,364.10x = 42,148,938,843.81
  5. Step 5: Solve for x
    x = 42,148,938,843.81/181,364.10
  6. Step 6: Final answer
    x = 232,399.57

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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.