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Finding the Fourth Proportional to 377,428.32, 520,852.32 and 207,672.96

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Solution

The fourth proportional to 377,428.32, 520,852.32 and 207,672.96 is: 286,589.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,428.32 : 520,852.32 = 207,672.96 : x
  2. Step 2: Convert to fraction form
    377,428.32/520,852.32 = 207,672.96/x
  3. Step 3: Cross multiply
    377,428.32x = 520,852.32 × 207,672.96
  4. Step 4: Simplify right side
    377,428.32x = 108,166,943,017.27
  5. Step 5: Solve for x
    x = 108,166,943,017.27/377,428.32
  6. Step 6: Final answer
    x = 286,589.37

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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.