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Finding the Fourth Proportional to 325,031.21, 448,566 and 181,804.58

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Solution

The fourth proportional to 325,031.21, 448,566 and 181,804.58 is: 250,903.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,031.21 : 448,566 = 181,804.58 : x
  2. Step 2: Convert to fraction form
    325,031.21/448,566 = 181,804.58/x
  3. Step 3: Cross multiply
    325,031.21x = 448,566 × 181,804.58
  4. Step 4: Simplify right side
    325,031.21x = 81,551,353,232.28
  5. Step 5: Solve for x
    x = 81,551,353,232.28/325,031.21
  6. Step 6: Final answer
    x = 250,903.15

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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.