Home / 384,795.96-531,008.62-215,031.48

Finding the Fourth Proportional to 384,795.96, 531,008.62 and 215,031.48

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Solution

The fourth proportional to 384,795.96, 531,008.62 and 215,031.48 is: 296,737.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,795.96 : 531,008.62 = 215,031.48 : x
  2. Step 2: Convert to fraction form
    384,795.96/531,008.62 = 215,031.48/x
  3. Step 3: Cross multiply
    384,795.96x = 531,008.62 × 215,031.48
  4. Step 4: Simplify right side
    384,795.96x = 114,183,569,451.36
  5. Step 5: Solve for x
    x = 114,183,569,451.36/384,795.96
  6. Step 6: Final answer
    x = 296,737.96

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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.