Home / 325,215.51-487,823.27-214,381.59

Finding the Fourth Proportional to 325,215.51, 487,823.27 and 214,381.59

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Solution

The fourth proportional to 325,215.51, 487,823.27 and 214,381.59 is: 321,572.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,215.51 : 487,823.27 = 214,381.59 : x
  2. Step 2: Convert to fraction form
    325,215.51/487,823.27 = 214,381.59/x
  3. Step 3: Cross multiply
    325,215.51x = 487,823.27 × 214,381.59
  4. Step 4: Simplify right side
    325,215.51x = 104,580,327,189.69
  5. Step 5: Solve for x
    x = 104,580,327,189.69/325,215.51
  6. Step 6: Final answer
    x = 321,572.39

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Similar ratio
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1.5x scale

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.