Finding the Fourth Proportional to 221,350.73, 305,457.28 and 124,559.98
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Solution
The fourth proportional to 221,350.73, 305,457.28 and 124,559.98 is: 171,888.99
Step by Step Solution
- Step 1: Write the proportion equation
221,350.73 : 305,457.28 = 124,559.98 : x - Step 2: Convert to fraction form
221,350.73/305,457.28 = 124,559.98/x - Step 3: Cross multiply
221,350.73x = 305,457.28 × 124,559.98 - Step 4: Simplify right side
221,350.73x = 38,047,751,612.61 - Step 5: Solve for x
x = 38,047,751,612.61/221,350.73 - Step 6: Final answer
x = 171,888.99
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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.