Home / 377,848.68-521,428.62-208,081.56

Finding the Fourth Proportional to 377,848.68, 521,428.62 and 208,081.56

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Solution

The fourth proportional to 377,848.68, 521,428.62 and 208,081.56 is: 287,151.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,848.68 : 521,428.62 = 208,081.56 : x
  2. Step 2: Convert to fraction form
    377,848.68/521,428.62 = 208,081.56/x
  3. Step 3: Cross multiply
    377,848.68x = 521,428.62 × 208,081.56
  4. Step 4: Simplify right side
    377,848.68x = 108,499,680,678.25
  5. Step 5: Solve for x
    x = 108,499,680,678.25/377,848.68
  6. Step 6: Final answer
    x = 287,151.14

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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.