Finding the Fourth Proportional to 209,813.67, 314,347.35 and 120,883.41
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Solution
The fourth proportional to 209,813.67, 314,347.35 and 120,883.41 is: 181,110.12
Step by Step Solution
- Step 1: Write the proportion equation
209,813.67 : 314,347.35 = 120,883.41 : x - Step 2: Convert to fraction form
209,813.67/314,347.35 = 120,883.41/x - Step 3: Cross multiply
209,813.67x = 314,347.35 × 120,883.41 - Step 4: Simplify right side
209,813.67x = 37,999,379,592.46 - Step 5: Solve for x
x = 37,999,379,592.46/209,813.67 - Step 6: Final answer
x = 181,110.12
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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.