Home / 280,199.44-386,676.48-152,877.70

Finding the Fourth Proportional to 280,199.44, 386,676.48 and 152,877.70

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Solution

The fourth proportional to 280,199.44, 386,676.48 and 152,877.70 is: 210,971.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,199.44 : 386,676.48 = 152,877.70 : x
  2. Step 2: Convert to fraction form
    280,199.44/386,676.48 = 152,877.70/x
  3. Step 3: Cross multiply
    280,199.44x = 386,676.48 × 152,877.70
  4. Step 4: Simplify right side
    280,199.44x = 59,114,210,906.50
  5. Step 5: Solve for x
    x = 59,114,210,906.50/280,199.44
  6. Step 6: Final answer
    x = 210,971.91

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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.