Finding the Fourth Proportional to 137,318.80, 205,540.80 and 97,952.80
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Solution
The fourth proportional to 137,318.80, 205,540.80 and 97,952.80 is: 146,617.19
Step by Step Solution
- Step 1: Write the proportion equation
137,318.80 : 205,540.80 = 97,952.80 : x - Step 2: Convert to fraction form
137,318.80/205,540.80 = 97,952.80/x - Step 3: Cross multiply
137,318.80x = 205,540.80 × 97,952.80 - Step 4: Simplify right side
137,318.80x = 20,133,296,874.24 - Step 5: Solve for x
x = 20,133,296,874.24/137,318.80 - Step 6: Final answer
x = 146,617.19
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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.