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Finding the Fourth Proportional to 276,701.61, 414,114.90 and 170,153.04

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Solution

The fourth proportional to 276,701.61, 414,114.90 and 170,153.04 is: 254,653.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,701.61 : 414,114.90 = 170,153.04 : x
  2. Step 2: Convert to fraction form
    276,701.61/414,114.90 = 170,153.04/x
  3. Step 3: Cross multiply
    276,701.61x = 414,114.90 × 170,153.04
  4. Step 4: Simplify right side
    276,701.61x = 70,462,909,144.30
  5. Step 5: Solve for x
    x = 70,462,909,144.30/276,701.61
  6. Step 6: Final answer
    x = 254,653.05

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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.