Home / 208,997.47-288,415.24-113,503.33

Finding the Fourth Proportional to 208,997.47, 288,415.24 and 113,503.33

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Solution

The fourth proportional to 208,997.47, 288,415.24 and 113,503.33 is: 156,633.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,997.47 : 288,415.24 = 113,503.33 : x
  2. Step 2: Convert to fraction form
    208,997.47/288,415.24 = 113,503.33/x
  3. Step 3: Cross multiply
    208,997.47x = 288,415.24 × 113,503.33
  4. Step 4: Simplify right side
    208,997.47x = 32,736,090,162.75
  5. Step 5: Solve for x
    x = 32,736,090,162.75/208,997.47
  6. Step 6: Final answer
    x = 156,633.91

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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.