Home / 382,971.63-574,058.12-214,244.58

Finding the Fourth Proportional to 382,971.63, 574,058.12 and 214,244.58

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Solution

The fourth proportional to 382,971.63, 574,058.12 and 214,244.58 is: 321,143.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,971.63 : 574,058.12 = 214,244.58 : x
  2. Step 2: Convert to fraction form
    382,971.63/574,058.12 = 214,244.58/x
  3. Step 3: Cross multiply
    382,971.63x = 574,058.12 × 214,244.58
  4. Step 4: Simplify right side
    382,971.63x = 122,988,839,743.77
  5. Step 5: Solve for x
    x = 122,988,839,743.77/382,971.63
  6. Step 6: Final answer
    x = 321,143.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.