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Finding the Fourth Proportional to 180,585.84, 268,972.04 and 171,102.40

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Solution

The fourth proportional to 180,585.84, 268,972.04 and 171,102.40 is: 254,847.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,585.84 : 268,972.04 = 171,102.40 : x
  2. Step 2: Convert to fraction form
    180,585.84/268,972.04 = 171,102.40/x
  3. Step 3: Cross multiply
    180,585.84x = 268,972.04 × 171,102.40
  4. Step 4: Simplify right side
    180,585.84x = 46,021,761,576.90
  5. Step 5: Solve for x
    x = 46,021,761,576.90/180,585.84
  6. Step 6: Final answer
    x = 254,847.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.