Home / 377,316.50-565,837.70-206,664.90

Finding the Fourth Proportional to 377,316.50, 565,837.70 and 206,664.90

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Solution

The fourth proportional to 377,316.50, 565,837.70 and 206,664.90 is: 309,922.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,316.50 : 565,837.70 = 206,664.90 : x
  2. Step 2: Convert to fraction form
    377,316.50/565,837.70 = 206,664.90/x
  3. Step 3: Cross multiply
    377,316.50x = 565,837.70 × 206,664.90
  4. Step 4: Simplify right side
    377,316.50x = 116,938,791,686.73
  5. Step 5: Solve for x
    x = 116,938,791,686.73/377,316.50
  6. Step 6: Final answer
    x = 309,922.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.