Finding the Fourth Proportional to 199,972.19, 300,068.99 and 119,813.17
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Solution
The fourth proportional to 199,972.19, 300,068.99 and 119,813.17 is: 179,786.08
Step by Step Solution
- Step 1: Write the proportion equation
199,972.19 : 300,068.99 = 119,813.17 : x - Step 2: Convert to fraction form
199,972.19/300,068.99 = 119,813.17/x - Step 3: Cross multiply
199,972.19x = 300,068.99 × 119,813.17 - Step 4: Simplify right side
199,972.19x = 35,952,216,910.60 - Step 5: Solve for x
x = 35,952,216,910.60/199,972.19 - Step 6: Final answer
x = 179,786.08
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.