Finding the Fourth Proportional to 107,117.29, 160,677.30 and 40,539.54
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Solution
The fourth proportional to 107,117.29, 160,677.30 and 40,539.54 is: 60,809.82
Step by Step Solution
- Step 1: Write the proportion equation
107,117.29 : 160,677.30 = 40,539.54 : x - Step 2: Convert to fraction form
107,117.29/160,677.30 = 40,539.54/x - Step 3: Cross multiply
107,117.29x = 160,677.30 × 40,539.54 - Step 4: Simplify right side
107,117.29x = 6,513,783,339.14 - Step 5: Solve for x
x = 6,513,783,339.14/107,117.29 - Step 6: Final answer
x = 60,809.82
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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.