Home / 377,928.73-521,541.61-208,162.85

Finding the Fourth Proportional to 377,928.73, 521,541.61 and 208,162.85

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Solution

The fourth proportional to 377,928.73, 521,541.61 and 208,162.85 is: 287,264.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,928.73 : 521,541.61 = 208,162.85 : x
  2. Step 2: Convert to fraction form
    377,928.73/521,541.61 = 208,162.85/x
  3. Step 3: Cross multiply
    377,928.73x = 521,541.61 × 208,162.85
  4. Step 4: Simplify right side
    377,928.73x = 108,565,587,931.19
  5. Step 5: Solve for x
    x = 108,565,587,931.19/377,928.73
  6. Step 6: Final answer
    x = 287,264.71

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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.