Finding the Fourth Proportional to 248,853.08, 343,402.44 and 141,408.20
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Solution
The fourth proportional to 248,853.08, 343,402.44 and 141,408.20 is: 195,134.90
Step by Step Solution
- Step 1: Write the proportion equation
248,853.08 : 343,402.44 = 141,408.20 : x - Step 2: Convert to fraction form
248,853.08/343,402.44 = 141,408.20/x - Step 3: Cross multiply
248,853.08x = 343,402.44 × 141,408.20 - Step 4: Simplify right side
248,853.08x = 48,559,919,199.00 - Step 5: Solve for x
x = 48,559,919,199.00/248,853.08 - Step 6: Final answer
x = 195,134.90
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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.