Home / 384,057.30-529,998.74-214,291.42

Finding the Fourth Proportional to 384,057.30, 529,998.74 and 214,291.42

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Solution

The fourth proportional to 384,057.30, 529,998.74 and 214,291.42 is: 295,721.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,057.30 : 529,998.74 = 214,291.42 : x
  2. Step 2: Convert to fraction form
    384,057.30/529,998.74 = 214,291.42/x
  3. Step 3: Cross multiply
    384,057.30x = 529,998.74 × 214,291.42
  4. Step 4: Simplify right side
    384,057.30x = 113,574,182,592.81
  5. Step 5: Solve for x
    x = 113,574,182,592.81/384,057.30
  6. Step 6: Final answer
    x = 295,721.97

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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.