Finding the Fourth Proportional to 209,835.36, 314,578.08 and 104,509.44
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Solution
The fourth proportional to 209,835.36, 314,578.08 and 104,509.44 is: 156,677.02
Step by Step Solution
- Step 1: Write the proportion equation
209,835.36 : 314,578.08 = 104,509.44 : x - Step 2: Convert to fraction form
209,835.36/314,578.08 = 104,509.44/x - Step 3: Cross multiply
209,835.36x = 314,578.08 × 104,509.44 - Step 4: Simplify right side
209,835.36x = 32,876,378,977.08 - Step 5: Solve for x
x = 32,876,378,977.08/209,835.36 - Step 6: Final answer
x = 156,677.02
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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.