Finding the Fourth Proportional to 218,972.28, 328,356.35 and 113,763.00
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Solution
The fourth proportional to 218,972.28, 328,356.35 and 113,763.00 is: 170,591.47
Step by Step Solution
- Step 1: Write the proportion equation
218,972.28 : 328,356.35 = 113,763.00 : x - Step 2: Convert to fraction form
218,972.28/328,356.35 = 113,763.00/x - Step 3: Cross multiply
218,972.28x = 328,356.35 × 113,763.00 - Step 4: Simplify right side
218,972.28x = 37,354,802,498.12 - Step 5: Solve for x
x = 37,354,802,498.12/218,972.28 - Step 6: Final answer
x = 170,591.47
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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.