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Finding the Fourth Proportional to 389,552.45, 537,582.92 and 219,802.37

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Solution

The fourth proportional to 389,552.45, 537,582.92 and 219,802.37 is: 303,327.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,552.45 : 537,582.92 = 219,802.37 : x
  2. Step 2: Convert to fraction form
    389,552.45/537,582.92 = 219,802.37/x
  3. Step 3: Cross multiply
    389,552.45x = 537,582.92 × 219,802.37
  4. Step 4: Simplify right side
    389,552.45x = 118,161,996,100.59
  5. Step 5: Solve for x
    x = 118,161,996,100.59/389,552.45
  6. Step 6: Final answer
    x = 303,327.57

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.