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Finding the Fourth Proportional to 180,698.42, 271,069.50 and 170,747.58

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Solution

The fourth proportional to 180,698.42, 271,069.50 and 170,747.58 is: 256,142.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,698.42 : 271,069.50 = 170,747.58 : x
  2. Step 2: Convert to fraction form
    180,698.42/271,069.50 = 170,747.58/x
  3. Step 3: Cross multiply
    180,698.42x = 271,069.50 × 170,747.58
  4. Step 4: Simplify right side
    180,698.42x = 46,284,461,136.81
  5. Step 5: Solve for x
    x = 46,284,461,136.81/180,698.42
  6. Step 6: Final answer
    x = 256,142.04

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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.