Finding the Fourth Proportional to 248,920.05, 343,540.53 and 152,103.99
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Solution
The fourth proportional to 248,920.05, 343,540.53 and 152,103.99 is: 209,922.36
Step by Step Solution
- Step 1: Write the proportion equation
248,920.05 : 343,540.53 = 152,103.99 : x - Step 2: Convert to fraction form
248,920.05/343,540.53 = 152,103.99/x - Step 3: Cross multiply
248,920.05x = 343,540.53 × 152,103.99 - Step 4: Simplify right side
248,920.05x = 52,253,885,339.71 - Step 5: Solve for x
x = 52,253,885,339.71/248,920.05 - Step 6: Final answer
x = 209,922.36
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.