Finding the Fourth Proportional to 107,302.70, 160,905.45 and 40,720.70
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Solution
The fourth proportional to 107,302.70, 160,905.45 and 40,720.70 is: 61,062.61
Step by Step Solution
- Step 1: Write the proportion equation
107,302.70 : 160,905.45 = 40,720.70 : x - Step 2: Convert to fraction form
107,302.70/160,905.45 = 40,720.70/x - Step 3: Cross multiply
107,302.70x = 160,905.45 × 40,720.70 - Step 4: Simplify right side
107,302.70x = 6,552,182,557.82 - Step 5: Solve for x
x = 6,552,182,557.82/107,302.70 - Step 6: Final answer
x = 61,062.61
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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.