Home / 384,863.83-531,110.75-215,097.95

Finding the Fourth Proportional to 384,863.83, 531,110.75 and 215,097.95

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Solution

The fourth proportional to 384,863.83, 531,110.75 and 215,097.95 is: 296,834.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,863.83 : 531,110.75 = 215,097.95 : x
  2. Step 2: Convert to fraction form
    384,863.83/531,110.75 = 215,097.95/x
  3. Step 3: Cross multiply
    384,863.83x = 531,110.75 × 215,097.95
  4. Step 4: Simplify right side
    384,863.83x = 114,240,834,606.87
  5. Step 5: Solve for x
    x = 114,240,834,606.87/384,863.83
  6. Step 6: Final answer
    x = 296,834.43

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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.