Finding the Fourth Proportional to 102,274.98, 153,344.79 and 48,974.82
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Solution
The fourth proportional to 102,274.98, 153,344.79 and 48,974.82 is: 73,429.82
Step by Step Solution
- Step 1: Write the proportion equation
102,274.98 : 153,344.79 = 48,974.82 : x - Step 2: Convert to fraction form
102,274.98/153,344.79 = 48,974.82/x - Step 3: Cross multiply
102,274.98x = 153,344.79 × 48,974.82 - Step 4: Simplify right side
102,274.98x = 7,510,033,488.19 - Step 5: Solve for x
x = 7,510,033,488.19/102,274.98 - Step 6: Final answer
x = 73,429.82
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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.