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Finding the Fourth Proportional to 389,063.37, 536,948.73 and 228,053.70

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Solution

The fourth proportional to 389,063.37, 536,948.73 and 228,053.70 is: 314,738.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,063.37 : 536,948.73 = 228,053.70 : x
  2. Step 2: Convert to fraction form
    389,063.37/536,948.73 = 228,053.70/x
  3. Step 3: Cross multiply
    389,063.37x = 536,948.73 × 228,053.70
  4. Step 4: Simplify right side
    389,063.37x = 122,453,145,442.00
  5. Step 5: Solve for x
    x = 122,453,145,442.00/389,063.37
  6. Step 6: Final answer
    x = 314,738.30

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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.