Home / 208,912.37-288,294.59-113,418.23

Finding the Fourth Proportional to 208,912.37, 288,294.59 and 113,418.23

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Solution

The fourth proportional to 208,912.37, 288,294.59 and 113,418.23 is: 156,514.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,912.37 : 288,294.59 = 113,418.23 : x
  2. Step 2: Convert to fraction form
    208,912.37/288,294.59 = 113,418.23/x
  3. Step 3: Cross multiply
    208,912.37x = 288,294.59 × 113,418.23
  4. Step 4: Simplify right side
    208,912.37x = 32,697,860,958.45
  5. Step 5: Solve for x
    x = 32,697,860,958.45/208,912.37
  6. Step 6: Final answer
    x = 156,514.72

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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.