Finding the Fourth Proportional to 209,838.36, 314,582.58 and 104,512.44
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Solution
The fourth proportional to 209,838.36, 314,582.58 and 104,512.44 is: 156,681.52
Step by Step Solution
- Step 1: Write the proportion equation
209,838.36 : 314,582.58 = 104,512.44 : x - Step 2: Convert to fraction form
209,838.36/314,582.58 = 104,512.44/x - Step 3: Cross multiply
209,838.36x = 314,582.58 × 104,512.44 - Step 4: Simplify right side
209,838.36x = 32,877,793,017.30 - Step 5: Solve for x
x = 32,877,793,017.30/209,838.36 - Step 6: Final answer
x = 156,681.52
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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.