Finding the Fourth Proportional to 298,626.84, 447,924.06 and 121,086.18
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Solution
The fourth proportional to 298,626.84, 447,924.06 and 121,086.18 is: 181,622.70
Step by Step Solution
- Step 1: Write the proportion equation
298,626.84 : 447,924.06 = 121,086.18 : x - Step 2: Convert to fraction form
298,626.84/447,924.06 = 121,086.18/x - Step 3: Cross multiply
298,626.84x = 447,924.06 × 121,086.18 - Step 4: Simplify right side
298,626.84x = 54,237,413,355.49 - Step 5: Solve for x
x = 54,237,413,355.49/298,626.84 - Step 6: Final answer
x = 181,622.70
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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.