Home / 325,085.31-448,421.54-214,704.63

Finding the Fourth Proportional to 325,085.31, 448,421.54 and 214,704.63

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Solution

The fourth proportional to 325,085.31, 448,421.54 and 214,704.63 is: 296,162.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,085.31 : 448,421.54 = 214,704.63 : x
  2. Step 2: Convert to fraction form
    325,085.31/448,421.54 = 214,704.63/x
  3. Step 3: Cross multiply
    325,085.31x = 448,421.54 × 214,704.63
  4. Step 4: Simplify right side
    325,085.31x = 96,278,179,756.21
  5. Step 5: Solve for x
    x = 96,278,179,756.21/325,085.31
  6. Step 6: Final answer
    x = 296,162.81

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1.5x scale

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.