Finding the Fourth Proportional to 101,475.05, 152,194.75 and 31,354.97
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Solution
The fourth proportional to 101,475.05, 152,194.75 and 31,354.97 is: 47,026.94
Step by Step Solution
- Step 1: Write the proportion equation
101,475.05 : 152,194.75 = 31,354.97 : x - Step 2: Convert to fraction form
101,475.05/152,194.75 = 31,354.97/x - Step 3: Cross multiply
101,475.05x = 152,194.75 × 31,354.97 - Step 4: Simplify right side
101,475.05x = 4,772,060,981.05 - Step 5: Solve for x
x = 4,772,060,981.05/101,475.05 - Step 6: Final answer
x = 47,026.94
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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.