Finding the Fourth Proportional to 220,206.74, 303,885.42 and 119,604.74
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Solution
The fourth proportional to 220,206.74, 303,885.42 and 119,604.74 is: 165,054.61
Step by Step Solution
- Step 1: Write the proportion equation
220,206.74 : 303,885.42 = 119,604.74 : x - Step 2: Convert to fraction form
220,206.74/303,885.42 = 119,604.74/x - Step 3: Cross multiply
220,206.74x = 303,885.42 × 119,604.74 - Step 4: Simplify right side
220,206.74x = 36,346,136,648.89 - Step 5: Solve for x
x = 36,346,136,648.89/220,206.74 - Step 6: Final answer
x = 165,054.61
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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.