Home / 285,185.52-427,634.28-166,892.40

Finding the Fourth Proportional to 285,185.52, 427,634.28 and 166,892.40

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Solution

The fourth proportional to 285,185.52, 427,634.28 and 166,892.40 is: 250,254.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,185.52 : 427,634.28 = 166,892.40 : x
  2. Step 2: Convert to fraction form
    285,185.52/427,634.28 = 166,892.40/x
  3. Step 3: Cross multiply
    285,185.52x = 427,634.28 × 166,892.40
  4. Step 4: Simplify right side
    285,185.52x = 71,368,911,311.47
  5. Step 5: Solve for x
    x = 71,368,911,311.47/285,185.52
  6. Step 6: Final answer
    x = 250,254.33

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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.