Finding the Fourth Proportional to 314,621.73, 471,671.33 and 124,965.09
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Solution
The fourth proportional to 314,621.73, 471,671.33 and 124,965.09 is: 187,343.86
Step by Step Solution
- Step 1: Write the proportion equation
314,621.73 : 471,671.33 = 124,965.09 : x - Step 2: Convert to fraction form
314,621.73/471,671.33 = 124,965.09/x - Step 3: Cross multiply
314,621.73x = 471,671.33 × 124,965.09 - Step 4: Simplify right side
314,621.73x = 58,942,449,579.04 - Step 5: Solve for x
x = 58,942,449,579.04/314,621.73 - Step 6: Final answer
x = 187,343.86
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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.