Finding the Fourth Proportional to 299,187.57, 412,876.89 and 170,126.05
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Solution
The fourth proportional to 299,187.57, 412,876.89 and 170,126.05 is: 234,772.84
Step by Step Solution
- Step 1: Write the proportion equation
299,187.57 : 412,876.89 = 170,126.05 : x - Step 2: Convert to fraction form
299,187.57/412,876.89 = 170,126.05/x - Step 3: Cross multiply
299,187.57x = 412,876.89 × 170,126.05 - Step 4: Simplify right side
299,187.57x = 70,241,115,050.21 - Step 5: Solve for x
x = 70,241,115,050.21/299,187.57 - Step 6: Final answer
x = 234,772.84
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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.