Finding the Fourth Proportional to 209,823.54, 314,828.35 and 109,959.99
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Solution
The fourth proportional to 209,823.54, 314,828.35 and 109,959.99 is: 164,988.74
Step by Step Solution
- Step 1: Write the proportion equation
209,823.54 : 314,828.35 = 109,959.99 : x - Step 2: Convert to fraction form
209,823.54/314,828.35 = 109,959.99/x - Step 3: Cross multiply
209,823.54x = 314,828.35 × 109,959.99 - Step 4: Simplify right side
209,823.54x = 34,618,522,217.72 - Step 5: Solve for x
x = 34,618,522,217.72/209,823.54 - Step 6: Final answer
x = 164,988.74
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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.