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Finding the Fourth Proportional to 225,579, 338,313.06 and 99,250.95

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Solution

The fourth proportional to 225,579, 338,313.06 and 99,250.95 is: 148,852.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,579 : 338,313.06 = 99,250.95 : x
  2. Step 2: Convert to fraction form
    225,579/338,313.06 = 99,250.95/x
  3. Step 3: Cross multiply
    225,579x = 338,313.06 × 99,250.95
  4. Step 4: Simplify right side
    225,579x = 33,577,892,602.41
  5. Step 5: Solve for x
    x = 33,577,892,602.41/225,579
  6. Step 6: Final answer
    x = 148,852.03

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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.