Home / 231,742.20-346,957.20-208,122.60

Finding the Fourth Proportional to 231,742.20, 346,957.20 and 208,122.60

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Solution

The fourth proportional to 231,742.20, 346,957.20 and 208,122.60 is: 311,594.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,742.20 : 346,957.20 = 208,122.60 : x
  2. Step 2: Convert to fraction form
    231,742.20/346,957.20 = 208,122.60/x
  3. Step 3: Cross multiply
    231,742.20x = 346,957.20 × 208,122.60
  4. Step 4: Simplify right side
    231,742.20x = 72,209,634,552.72
  5. Step 5: Solve for x
    x = 72,209,634,552.72/231,742.20
  6. Step 6: Final answer
    x = 311,594.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.