Home / 379,752.42-569,293.38-143,261.18

Finding the Fourth Proportional to 379,752.42, 569,293.38 and 143,261.18

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Solution

The fourth proportional to 379,752.42, 569,293.38 and 143,261.18 is: 214,765.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,752.42 : 569,293.38 = 143,261.18 : x
  2. Step 2: Convert to fraction form
    379,752.42/569,293.38 = 143,261.18/x
  3. Step 3: Cross multiply
    379,752.42x = 569,293.38 × 143,261.18
  4. Step 4: Simplify right side
    379,752.42x = 81,557,638,538.52
  5. Step 5: Solve for x
    x = 81,557,638,538.52/379,752.42
  6. Step 6: Final answer
    x = 214,765.29

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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.