Finding the Fourth Proportional to 220,265.08, 303,963.78 and 119,663.08
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Solution
The fourth proportional to 220,265.08, 303,963.78 and 119,663.08 is: 165,133.95
Step by Step Solution
- Step 1: Write the proportion equation
220,265.08 : 303,963.78 = 119,663.08 : x - Step 2: Convert to fraction form
220,265.08/303,963.78 = 119,663.08/x - Step 3: Cross multiply
220,265.08x = 303,963.78 × 119,663.08 - Step 4: Simplify right side
220,265.08x = 36,373,242,123.24 - Step 5: Solve for x
x = 36,373,242,123.24/220,265.08 - Step 6: Final answer
x = 165,133.95
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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.