Home / 208,849.28-288,214.08-113,356.80

Finding the Fourth Proportional to 208,849.28, 288,214.08 and 113,356.80

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Solution

The fourth proportional to 208,849.28, 288,214.08 and 113,356.80 is: 156,433.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,849.28 : 288,214.08 = 113,356.80 : x
  2. Step 2: Convert to fraction form
    208,849.28/288,214.08 = 113,356.80/x
  3. Step 3: Cross multiply
    208,849.28x = 288,214.08 × 113,356.80
  4. Step 4: Simplify right side
    208,849.28x = 32,671,025,823.74
  5. Step 5: Solve for x
    x = 32,671,025,823.74/208,849.28
  6. Step 6: Final answer
    x = 156,433.51

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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.