Finding the Fourth Proportional to 268,147.18, 402,218.55 and 108,220.66
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Solution
The fourth proportional to 268,147.18, 402,218.55 and 108,220.66 is: 162,330.09
Step by Step Solution
- Step 1: Write the proportion equation
268,147.18 : 402,218.55 = 108,220.66 : x - Step 2: Convert to fraction form
268,147.18/402,218.55 = 108,220.66/x - Step 3: Cross multiply
268,147.18x = 402,218.55 × 108,220.66 - Step 4: Simplify right side
268,147.18x = 43,528,356,945.24 - Step 5: Solve for x
x = 43,528,356,945.24/268,147.18 - Step 6: Final answer
x = 162,330.09
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1.5x scale
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.