Finding the Fourth Proportional to 253,910.57, 350,387.98 and 146,477.84
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Solution
The fourth proportional to 253,910.57, 350,387.98 and 146,477.84 is: 202,134.45
Step by Step Solution
- Step 1: Write the proportion equation
253,910.57 : 350,387.98 = 146,477.84 : x - Step 2: Convert to fraction form
253,910.57/350,387.98 = 146,477.84/x - Step 3: Cross multiply
253,910.57x = 350,387.98 × 146,477.84 - Step 4: Simplify right side
253,910.57x = 51,324,072,354.23 - Step 5: Solve for x
x = 51,324,072,354.23/253,910.57 - Step 6: Final answer
x = 202,134.45
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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.