Home / 280,164.86-386,574.63-166,998.14

Finding the Fourth Proportional to 280,164.86, 386,574.63 and 166,998.14

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Solution

The fourth proportional to 280,164.86, 386,574.63 and 166,998.14 is: 230,425.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,164.86 : 386,574.63 = 166,998.14 : x
  2. Step 2: Convert to fraction form
    280,164.86/386,574.63 = 166,998.14/x
  3. Step 3: Cross multiply
    280,164.86x = 386,574.63 × 166,998.14
  4. Step 4: Simplify right side
    280,164.86x = 64,557,244,181.19
  5. Step 5: Solve for x
    x = 64,557,244,181.19/280,164.86
  6. Step 6: Final answer
    x = 230,425.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.