Home / 279,676.68-385,951.94-152,352.36

Finding the Fourth Proportional to 279,676.68, 385,951.94 and 152,352.36

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Solution

The fourth proportional to 279,676.68, 385,951.94 and 152,352.36 is: 210,245.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,676.68 : 385,951.94 = 152,352.36 : x
  2. Step 2: Convert to fraction form
    279,676.68/385,951.94 = 152,352.36/x
  3. Step 3: Cross multiply
    279,676.68x = 385,951.94 × 152,352.36
  4. Step 4: Simplify right side
    279,676.68x = 58,800,688,905.58
  5. Step 5: Solve for x
    x = 58,800,688,905.58/279,676.68
  6. Step 6: Final answer
    x = 210,245.23

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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.