Finding the Fourth Proportional to 298,724.14, 447,033.21 and 186,457.06
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Solution
The fourth proportional to 298,724.14, 447,033.21 and 186,457.06 is: 279,028.33
Step by Step Solution
- Step 1: Write the proportion equation
298,724.14 : 447,033.21 = 186,457.06 : x - Step 2: Convert to fraction form
298,724.14/447,033.21 = 186,457.06/x - Step 3: Cross multiply
298,724.14x = 447,033.21 × 186,457.06 - Step 4: Simplify right side
298,724.14x = 83,352,498,058.96 - Step 5: Solve for x
x = 83,352,498,058.96/298,724.14 - Step 6: Final answer
x = 279,028.33
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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.