Finding the Fourth Proportional to 117,137.73, 175,745.48 and 38,254.53
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Solution
The fourth proportional to 117,137.73, 175,745.48 and 38,254.53 is: 57,394.49
Step by Step Solution
- Step 1: Write the proportion equation
117,137.73 : 175,745.48 = 38,254.53 : x - Step 2: Convert to fraction form
117,137.73/175,745.48 = 38,254.53/x - Step 3: Cross multiply
117,137.73x = 175,745.48 × 38,254.53 - Step 4: Simplify right side
117,137.73x = 6,723,060,545.75 - Step 5: Solve for x
x = 6,723,060,545.75/117,137.73 - Step 6: Final answer
x = 57,394.49
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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.