Home / 256,962.06-385,440.93-200,849.37

Finding the Fourth Proportional to 256,962.06, 385,440.93 and 200,849.37

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Solution

The fourth proportional to 256,962.06, 385,440.93 and 200,849.37 is: 301,272.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,962.06 : 385,440.93 = 200,849.37 : x
  2. Step 2: Convert to fraction form
    256,962.06/385,440.93 = 200,849.37/x
  3. Step 3: Cross multiply
    256,962.06x = 385,440.93 × 200,849.37
  4. Step 4: Simplify right side
    256,962.06x = 77,415,567,962.71
  5. Step 5: Solve for x
    x = 77,415,567,962.71/256,962.06
  6. Step 6: Final answer
    x = 301,272.37

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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.