Home / 384,839.82-531,095.36-215,073.94

Finding the Fourth Proportional to 384,839.82, 531,095.36 and 215,073.94

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Solution

The fourth proportional to 384,839.82, 531,095.36 and 215,073.94 is: 296,811.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,839.82 : 531,095.36 = 215,073.94 : x
  2. Step 2: Convert to fraction form
    384,839.82/531,095.36 = 215,073.94/x
  3. Step 3: Cross multiply
    384,839.82x = 531,095.36 × 215,073.94
  4. Step 4: Simplify right side
    384,839.82x = 114,224,771,590.92
  5. Step 5: Solve for x
    x = 114,224,771,590.92/384,839.82
  6. Step 6: Final answer
    x = 296,811.21

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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.