Home / 631,100.28-946,416.96-181,669.44

Finding the Fourth Proportional to 631,100.28, 946,416.96 and 181,669.44

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Solution

The fourth proportional to 631,100.28, 946,416.96 and 181,669.44 is: 272,436.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,100.28 : 946,416.96 = 181,669.44 : x
  2. Step 2: Convert to fraction form
    631,100.28/946,416.96 = 181,669.44/x
  3. Step 3: Cross multiply
    631,100.28x = 946,416.96 × 181,669.44
  4. Step 4: Simplify right side
    631,100.28x = 171,935,039,129.70
  5. Step 5: Solve for x
    x = 171,935,039,129.70/631,100.28
  6. Step 6: Final answer
    x = 272,436.96

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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.