Home / 319,326.95-440,667.96-174,132.37

Finding the Fourth Proportional to 319,326.95, 440,667.96 and 174,132.37

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Solution

The fourth proportional to 319,326.95, 440,667.96 and 174,132.37 is: 240,300.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,326.95 : 440,667.96 = 174,132.37 : x
  2. Step 2: Convert to fraction form
    319,326.95/440,667.96 = 174,132.37/x
  3. Step 3: Cross multiply
    319,326.95x = 440,667.96 × 174,132.37
  4. Step 4: Simplify right side
    319,326.95x = 76,734,556,257.87
  5. Step 5: Solve for x
    x = 76,734,556,257.87/319,326.95
  6. Step 6: Final answer
    x = 240,300.91

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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.