Finding the Fourth Proportional to 157,081.70, 235,622.55 and 97,294.60
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Solution
The fourth proportional to 157,081.70, 235,622.55 and 97,294.60 is: 145,941.90
Step by Step Solution
- Step 1: Write the proportion equation
157,081.70 : 235,622.55 = 97,294.60 : x - Step 2: Convert to fraction form
157,081.70/235,622.55 = 97,294.60/x - Step 3: Cross multiply
157,081.70x = 235,622.55 × 97,294.60 - Step 4: Simplify right side
157,081.70x = 22,924,801,753.23 - Step 5: Solve for x
x = 22,924,801,753.23/157,081.70 - Step 6: Final answer
x = 145,941.90
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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.