Finding the Fourth Proportional to 219,966.49, 303,553.75 and 119,364.49
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Solution
The fourth proportional to 219,966.49, 303,553.75 and 119,364.49 is: 164,722.99
Step by Step Solution
- Step 1: Write the proportion equation
219,966.49 : 303,553.75 = 119,364.49 : x - Step 2: Convert to fraction form
219,966.49/303,553.75 = 119,364.49/x - Step 3: Cross multiply
219,966.49x = 303,553.75 × 119,364.49 - Step 4: Simplify right side
219,966.49x = 36,233,538,556.34 - Step 5: Solve for x
x = 36,233,538,556.34/219,966.49 - Step 6: Final answer
x = 164,722.99
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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.