Finding the Fourth Proportional to 157,003.08, 235,504.68 and 38,676.72
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Solution
The fourth proportional to 157,003.08, 235,504.68 and 38,676.72 is: 58,015.09
Step by Step Solution
- Step 1: Write the proportion equation
157,003.08 : 235,504.68 = 38,676.72 : x - Step 2: Convert to fraction form
157,003.08/235,504.68 = 38,676.72/x - Step 3: Cross multiply
157,003.08x = 235,504.68 × 38,676.72 - Step 4: Simplify right side
157,003.08x = 9,108,548,567.05 - Step 5: Solve for x
x = 9,108,548,567.05/157,003.08 - Step 6: Final answer
x = 58,015.09
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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.