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Finding the Fourth Proportional to 327,058.79, 490,588.19 and 102,436.80

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Solution

The fourth proportional to 327,058.79, 490,588.19 and 102,436.80 is: 153,655.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,058.79 : 490,588.19 = 102,436.80 : x
  2. Step 2: Convert to fraction form
    327,058.79/490,588.19 = 102,436.80/x
  3. Step 3: Cross multiply
    327,058.79x = 490,588.19 × 102,436.80
  4. Step 4: Simplify right side
    327,058.79x = 50,254,284,301.39
  5. Step 5: Solve for x
    x = 50,254,284,301.39/327,058.79
  6. Step 6: Final answer
    x = 153,655.20

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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.