Finding the Fourth Proportional to 248,853.51, 343,403.05 and 141,408.63
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Solution
The fourth proportional to 248,853.51, 343,403.05 and 141,408.63 is: 195,135.50
Step by Step Solution
- Step 1: Write the proportion equation
248,853.51 : 343,403.05 = 141,408.63 : x - Step 2: Convert to fraction form
248,853.51/343,403.05 = 141,408.63/x - Step 3: Cross multiply
248,853.51x = 343,403.05 × 141,408.63 - Step 4: Simplify right side
248,853.51x = 48,560,154,838.32 - Step 5: Solve for x
x = 48,560,154,838.32/248,853.51 - Step 6: Final answer
x = 195,135.50
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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.