Home / 208,858.51-288,217.02-113,363.15

Finding the Fourth Proportional to 208,858.51, 288,217.02 and 113,363.15

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Solution

The fourth proportional to 208,858.51, 288,217.02 and 113,363.15 is: 156,436.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,858.51 : 288,217.02 = 113,363.15 : x
  2. Step 2: Convert to fraction form
    208,858.51/288,217.02 = 113,363.15/x
  3. Step 3: Cross multiply
    208,858.51x = 288,217.02 × 113,363.15
  4. Step 4: Simplify right side
    208,858.51x = 32,673,189,270.81
  5. Step 5: Solve for x
    x = 32,673,189,270.81/208,858.51
  6. Step 6: Final answer
    x = 156,436.95

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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.