Finding the Fourth Proportional to 220,248.08, 303,940.68 and 119,646.80
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Solution
The fourth proportional to 220,248.08, 303,940.68 and 119,646.80 is: 165,111.68
Step by Step Solution
- Step 1: Write the proportion equation
220,248.08 : 303,940.68 = 119,646.80 : x - Step 2: Convert to fraction form
220,248.08/303,940.68 = 119,646.80/x - Step 3: Cross multiply
220,248.08x = 303,940.68 × 119,646.80 - Step 4: Simplify right side
220,248.08x = 36,365,529,751.82 - Step 5: Solve for x
x = 36,365,529,751.82/220,248.08 - Step 6: Final answer
x = 165,111.68
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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.