Home / 327,328.09-490,992.71-102,705.77

Finding the Fourth Proportional to 327,328.09, 490,992.71 and 102,705.77

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Solution

The fourth proportional to 327,328.09, 490,992.71 and 102,705.77 is: 154,058.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,328.09 : 490,992.71 = 102,705.77 : x
  2. Step 2: Convert to fraction form
    327,328.09/490,992.71 = 102,705.77/x
  3. Step 3: Cross multiply
    327,328.09x = 490,992.71 × 102,705.77
  4. Step 4: Simplify right side
    327,328.09x = 50,427,785,925.47
  5. Step 5: Solve for x
    x = 50,427,785,925.47/327,328.09
  6. Step 6: Final answer
    x = 154,058.84

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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.