Home / 208,844.95-288,206.28-113,351.67

Finding the Fourth Proportional to 208,844.95, 288,206.28 and 113,351.67

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Solution

The fourth proportional to 208,844.95, 288,206.28 and 113,351.67 is: 156,425.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,844.95 : 288,206.28 = 113,351.67 : x
  2. Step 2: Convert to fraction form
    208,844.95/288,206.28 = 113,351.67/x
  3. Step 3: Cross multiply
    208,844.95x = 288,206.28 × 113,351.67
  4. Step 4: Simplify right side
    208,844.95x = 32,668,663,142.49
  5. Step 5: Solve for x
    x = 32,668,663,142.49/208,844.95
  6. Step 6: Final answer
    x = 156,425.44

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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.