Home / 256,984.81-385,357.25-96,937.43

Finding the Fourth Proportional to 256,984.81, 385,357.25 and 96,937.43

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Solution

The fourth proportional to 256,984.81, 385,357.25 and 96,937.43 is: 145,360.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,984.81 : 385,357.25 = 96,937.43 : x
  2. Step 2: Convert to fraction form
    256,984.81/385,357.25 = 96,937.43/x
  3. Step 3: Cross multiply
    256,984.81x = 385,357.25 × 96,937.43
  4. Step 4: Simplify right side
    256,984.81x = 37,355,539,762.42
  5. Step 5: Solve for x
    x = 37,355,539,762.42/256,984.81
  6. Step 6: Final answer
    x = 145,360.89

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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.