Home / 384,769.62-530,971.89-215,005.14

Finding the Fourth Proportional to 384,769.62, 530,971.89 and 215,005.14

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Solution

The fourth proportional to 384,769.62, 530,971.89 and 215,005.14 is: 296,701.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,769.62 : 530,971.89 = 215,005.14 : x
  2. Step 2: Convert to fraction form
    384,769.62/530,971.89 = 215,005.14/x
  3. Step 3: Cross multiply
    384,769.62x = 530,971.89 × 215,005.14
  4. Step 4: Simplify right side
    384,769.62x = 114,161,685,545.52
  5. Step 5: Solve for x
    x = 114,161,685,545.52/384,769.62
  6. Step 6: Final answer
    x = 296,701.40

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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.