Finding the Fourth Proportional to 155,553.20, 232,746.60 and 141,556.40
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Solution
The fourth proportional to 155,553.20, 232,746.60 and 141,556.40 is: 211,803.88
Step by Step Solution
- Step 1: Write the proportion equation
155,553.20 : 232,746.60 = 141,556.40 : x - Step 2: Convert to fraction form
155,553.20/232,746.60 = 141,556.40/x - Step 3: Cross multiply
155,553.20x = 232,746.60 × 141,556.40 - Step 4: Simplify right side
155,553.20x = 32,946,770,808.24 - Step 5: Solve for x
x = 32,946,770,808.24/155,553.20 - Step 6: Final answer
x = 211,803.88
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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.