Finding the Fourth Proportional to 97,697.79, 146,542.14 and 40,748.19
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Solution
The fourth proportional to 97,697.79, 146,542.14 and 40,748.19 is: 61,120.39
Step by Step Solution
- Step 1: Write the proportion equation
97,697.79 : 146,542.14 = 40,748.19 : x - Step 2: Convert to fraction form
97,697.79/146,542.14 = 40,748.19/x - Step 3: Cross multiply
97,697.79x = 146,542.14 × 40,748.19 - Step 4: Simplify right side
97,697.79x = 5,971,326,963.73 - Step 5: Solve for x
x = 5,971,326,963.73/97,697.79 - Step 6: Final answer
x = 61,120.39
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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.