Finding the Fourth Proportional to 194,371.11, 291,178.38 and 109,875.68
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Solution
The fourth proportional to 194,371.11, 291,178.38 and 109,875.68 is: 164,599.68
Step by Step Solution
- Step 1: Write the proportion equation
194,371.11 : 291,178.38 = 109,875.68 : x - Step 2: Convert to fraction form
194,371.11/291,178.38 = 109,875.68/x - Step 3: Cross multiply
194,371.11x = 291,178.38 × 109,875.68 - Step 4: Simplify right side
194,371.11x = 31,993,421,292.57 - Step 5: Solve for x
x = 31,993,421,292.57/194,371.11 - Step 6: Final answer
x = 164,599.68
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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.