Finding the Fourth Proportional to 220,177.74, 303,899.67 and 124,740.66
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Solution
The fourth proportional to 220,177.74, 303,899.67 and 124,740.66 is: 172,172.92
Step by Step Solution
- Step 1: Write the proportion equation
220,177.74 : 303,899.67 = 124,740.66 : x - Step 2: Convert to fraction form
220,177.74/303,899.67 = 124,740.66/x - Step 3: Cross multiply
220,177.74x = 303,899.67 × 124,740.66 - Step 4: Simplify right side
220,177.74x = 37,908,645,409.58 - Step 5: Solve for x
x = 37,908,645,409.58/220,177.74 - Step 6: Final answer
x = 172,172.92
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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.