Home / 369,716.72-510,214.03-208,571.27

Finding the Fourth Proportional to 369,716.72, 510,214.03 and 208,571.27

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Solution

The fourth proportional to 369,716.72, 510,214.03 and 208,571.27 is: 287,831.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,716.72 : 510,214.03 = 208,571.27 : x
  2. Step 2: Convert to fraction form
    369,716.72/510,214.03 = 208,571.27/x
  3. Step 3: Cross multiply
    369,716.72x = 510,214.03 × 208,571.27
  4. Step 4: Simplify right side
    369,716.72x = 106,415,985,136.42
  5. Step 5: Solve for x
    x = 106,415,985,136.42/369,716.72
  6. Step 6: Final answer
    x = 287,831.14

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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.