Finding the Fourth Proportional to 97,436.14, 145,732.02 and 57,359.62
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Solution
The fourth proportional to 97,436.14, 145,732.02 and 57,359.62 is: 85,790.89
Step by Step Solution
- Step 1: Write the proportion equation
97,436.14 : 145,732.02 = 57,359.62 : x - Step 2: Convert to fraction form
97,436.14/145,732.02 = 57,359.62/x - Step 3: Cross multiply
97,436.14x = 145,732.02 × 57,359.62 - Step 4: Simplify right side
97,436.14x = 8,359,133,289.03 - Step 5: Solve for x
x = 8,359,133,289.03/97,436.14 - Step 6: Final answer
x = 85,790.89
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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.