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Finding the Fourth Proportional to 325,047.70, 448,568.67 and 181,821.07

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Solution

The fourth proportional to 325,047.70, 448,568.67 and 181,821.07 is: 250,914.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,047.70 : 448,568.67 = 181,821.07 : x
  2. Step 2: Convert to fraction form
    325,047.70/448,568.67 = 181,821.07/x
  3. Step 3: Cross multiply
    325,047.70x = 448,568.67 × 181,821.07
  4. Step 4: Simplify right side
    325,047.70x = 81,559,235,547.88
  5. Step 5: Solve for x
    x = 81,559,235,547.88/325,047.70
  6. Step 6: Final answer
    x = 250,914.67

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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.