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Finding the Fourth Proportional to 350,897.54, 484,238.93 and 205,674.36

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Solution

The fourth proportional to 350,897.54, 484,238.93 and 205,674.36 is: 283,830.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,897.54 : 484,238.93 = 205,674.36 : x
  2. Step 2: Convert to fraction form
    350,897.54/484,238.93 = 205,674.36/x
  3. Step 3: Cross multiply
    350,897.54x = 484,238.93 × 205,674.36
  4. Step 4: Simplify right side
    350,897.54x = 99,595,529,170.57
  5. Step 5: Solve for x
    x = 99,595,529,170.57/350,897.54
  6. Step 6: Final answer
    x = 283,830.80

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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.