Home / 369,917.22-510,500.22-208,777.84

Finding the Fourth Proportional to 369,917.22, 510,500.22 and 208,777.84

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Solution

The fourth proportional to 369,917.22, 510,500.22 and 208,777.84 is: 288,121.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,917.22 : 510,500.22 = 208,777.84 : x
  2. Step 2: Convert to fraction form
    369,917.22/510,500.22 = 208,777.84/x
  3. Step 3: Cross multiply
    369,917.22x = 510,500.22 × 208,777.84
  4. Step 4: Simplify right side
    369,917.22x = 106,581,133,251.13
  5. Step 5: Solve for x
    x = 106,581,133,251.13/369,917.22
  6. Step 6: Final answer
    x = 288,121.58

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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.