Finding the Fourth Proportional to 146,330.68, 201,936.36 and 79,262.68
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Solution
The fourth proportional to 146,330.68, 201,936.36 and 79,262.68 is: 109,382.51
Step by Step Solution
- Step 1: Write the proportion equation
146,330.68 : 201,936.36 = 79,262.68 : x - Step 2: Convert to fraction form
146,330.68/201,936.36 = 79,262.68/x - Step 3: Cross multiply
146,330.68x = 201,936.36 × 79,262.68 - Step 4: Simplify right side
146,330.68x = 16,006,017,083.04 - Step 5: Solve for x
x = 16,006,017,083.04/146,330.68 - Step 6: Final answer
x = 109,382.51
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.