Finding the Fourth Proportional to 112,652.94, 155,463.49 and 62,351.94
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Solution
The fourth proportional to 112,652.94, 155,463.49 and 62,351.94 is: 86,047.02
Step by Step Solution
- Step 1: Write the proportion equation
112,652.94 : 155,463.49 = 62,351.94 : x - Step 2: Convert to fraction form
112,652.94/155,463.49 = 62,351.94/x - Step 3: Cross multiply
112,652.94x = 155,463.49 × 62,351.94 - Step 4: Simplify right side
112,652.94x = 9,693,449,888.91 - Step 5: Solve for x
x = 9,693,449,888.91/112,652.94 - Step 6: Final answer
x = 86,047.02
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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.