Home / 208,846.45-288,208.37-113,353.15

Finding the Fourth Proportional to 208,846.45, 288,208.37 and 113,353.15

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Solution

The fourth proportional to 208,846.45, 288,208.37 and 113,353.15 is: 156,427.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,846.45 : 288,208.37 = 113,353.15 : x
  2. Step 2: Convert to fraction form
    208,846.45/288,208.37 = 113,353.15/x
  3. Step 3: Cross multiply
    208,846.45x = 288,208.37 × 113,353.15
  4. Step 4: Simplify right side
    208,846.45x = 32,669,326,595.87
  5. Step 5: Solve for x
    x = 32,669,326,595.87/208,846.45
  6. Step 6: Final answer
    x = 156,427.49

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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.