Home / 280,196.36-386,672.26-152,874.60

Finding the Fourth Proportional to 280,196.36, 386,672.26 and 152,874.60

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Solution

The fourth proportional to 280,196.36, 386,672.26 and 152,874.60 is: 210,967.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,196.36 : 386,672.26 = 152,874.60 : x
  2. Step 2: Convert to fraction form
    280,196.36/386,672.26 = 152,874.60/x
  3. Step 3: Cross multiply
    280,196.36x = 386,672.26 × 152,874.60
  4. Step 4: Simplify right side
    280,196.36x = 59,112,367,078.60
  5. Step 5: Solve for x
    x = 59,112,367,078.60/280,196.36
  6. Step 6: Final answer
    x = 210,967.65

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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.