Home / 280,274.73-386,779.91-167,095.05

Finding the Fourth Proportional to 280,274.73, 386,779.91 and 167,095.05

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Solution

The fourth proportional to 280,274.73, 386,779.91 and 167,095.05 is: 230,591.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,274.73 : 386,779.91 = 167,095.05 : x
  2. Step 2: Convert to fraction form
    280,274.73/386,779.91 = 167,095.05/x
  3. Step 3: Cross multiply
    280,274.73x = 386,779.91 × 167,095.05
  4. Step 4: Simplify right side
    280,274.73x = 64,629,007,564.97
  5. Step 5: Solve for x
    x = 64,629,007,564.97/280,274.73
  6. Step 6: Final answer
    x = 230,591.63

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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.