Finding the Fourth Proportional to 316,687.47, 475,226.18 and 124,528.08
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Solution
The fourth proportional to 316,687.47, 475,226.18 and 124,528.08 is: 186,868.79
Step by Step Solution
- Step 1: Write the proportion equation
316,687.47 : 475,226.18 = 124,528.08 : x - Step 2: Convert to fraction form
316,687.47/475,226.18 = 124,528.08/x - Step 3: Cross multiply
316,687.47x = 475,226.18 × 124,528.08 - Step 4: Simplify right side
316,687.47x = 59,179,003,138.49 - Step 5: Solve for x
x = 59,179,003,138.49/316,687.47 - Step 6: Final answer
x = 186,868.79
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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.