Home / 319,376.48-440,739.90-174,182.54

Finding the Fourth Proportional to 319,376.48, 440,739.90 and 174,182.54

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Solution

The fourth proportional to 319,376.48, 440,739.90 and 174,182.54 is: 240,372.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,376.48 : 440,739.90 = 174,182.54 : x
  2. Step 2: Convert to fraction form
    319,376.48/440,739.90 = 174,182.54/x
  3. Step 3: Cross multiply
    319,376.48x = 440,739.90 × 174,182.54
  4. Step 4: Simplify right side
    319,376.48x = 76,769,193,057.65
  5. Step 5: Solve for x
    x = 76,769,193,057.65/319,376.48
  6. Step 6: Final answer
    x = 240,372.10

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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.