Finding the Fourth Proportional to 191,329.70, 286,808.45 and 91,463.99
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Solution
The fourth proportional to 191,329.70, 286,808.45 and 91,463.99 is: 137,107.01
Step by Step Solution
- Step 1: Write the proportion equation
191,329.70 : 286,808.45 = 91,463.99 : x - Step 2: Convert to fraction form
191,329.70/286,808.45 = 91,463.99/x - Step 3: Cross multiply
191,329.70x = 286,808.45 × 91,463.99 - Step 4: Simplify right side
191,329.70x = 26,232,643,311.35 - Step 5: Solve for x
x = 26,232,643,311.35/191,329.70 - Step 6: Final answer
x = 137,107.01
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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.