Finding the Fourth Proportional to 133,437.70, 198,813.29 and 131,513.14
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Solution
The fourth proportional to 133,437.70, 198,813.29 and 131,513.14 is: 195,945.82
Step by Step Solution
- Step 1: Write the proportion equation
133,437.70 : 198,813.29 = 131,513.14 : x - Step 2: Convert to fraction form
133,437.70/198,813.29 = 131,513.14/x - Step 3: Cross multiply
133,437.70x = 198,813.29 × 131,513.14 - Step 4: Simplify right side
133,437.70x = 26,146,560,041.63 - Step 5: Solve for x
x = 26,146,560,041.63/133,437.70 - Step 6: Final answer
x = 195,945.82
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.