Finding the Fourth Proportional to 232,520.18, 320,852.99 and 130,556.85
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Solution
The fourth proportional to 232,520.18, 320,852.99 and 130,556.85 is: 180,154.49
Step by Step Solution
- Step 1: Write the proportion equation
232,520.18 : 320,852.99 = 130,556.85 : x - Step 2: Convert to fraction form
232,520.18/320,852.99 = 130,556.85/x - Step 3: Cross multiply
232,520.18x = 320,852.99 × 130,556.85 - Step 4: Simplify right side
232,520.18x = 41,889,554,083.22 - Step 5: Solve for x
x = 41,889,554,083.22/232,520.18 - Step 6: Final answer
x = 180,154.49
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1.5x scale
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.