Finding the Fourth Proportional to 157,197.70, 235,333.23 and 103,791.70
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Solution
The fourth proportional to 157,197.70, 235,333.23 and 103,791.70 is: 155,381.64
Step by Step Solution
- Step 1: Write the proportion equation
157,197.70 : 235,333.23 = 103,791.70 : x - Step 2: Convert to fraction form
157,197.70/235,333.23 = 103,791.70/x - Step 3: Cross multiply
157,197.70x = 235,333.23 × 103,791.70 - Step 4: Simplify right side
157,197.70x = 24,425,636,008.19 - Step 5: Solve for x
x = 24,425,636,008.19/157,197.70 - Step 6: Final answer
x = 155,381.64
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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.