Finding the Fourth Proportional to 220,189.84, 303,861.72 and 119,587.12
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Solution
The fourth proportional to 220,189.84, 303,861.72 and 119,587.12 is: 165,030.08
Step by Step Solution
- Step 1: Write the proportion equation
220,189.84 : 303,861.72 = 119,587.12 : x - Step 2: Convert to fraction form
220,189.84/303,861.72 = 119,587.12/x - Step 3: Cross multiply
220,189.84x = 303,861.72 × 119,587.12 - Step 4: Simplify right side
220,189.84x = 36,337,947,973.05 - Step 5: Solve for x
x = 36,337,947,973.05/220,189.84 - Step 6: Final answer
x = 165,030.08
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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.