Finding the Fourth Proportional to 137,235.70, 205,853.55 and 92,883.70
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Solution
The fourth proportional to 137,235.70, 205,853.55 and 92,883.70 is: 139,325.55
Step by Step Solution
- Step 1: Write the proportion equation
137,235.70 : 205,853.55 = 92,883.70 : x - Step 2: Convert to fraction form
137,235.70/205,853.55 = 92,883.70/x - Step 3: Cross multiply
137,235.70x = 205,853.55 × 92,883.70 - Step 4: Simplify right side
137,235.70x = 19,120,439,382.14 - Step 5: Solve for x
x = 19,120,439,382.14/137,235.70 - Step 6: Final answer
x = 139,325.55
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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.