Finding the Fourth Proportional to 359,694.36, 496,368.54 and 198,537.84
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Solution
The fourth proportional to 359,694.36, 496,368.54 and 198,537.84 is: 273,976.88
Step by Step Solution
- Step 1: Write the proportion equation
359,694.36 : 496,368.54 = 198,537.84 : x - Step 2: Convert to fraction form
359,694.36/496,368.54 = 198,537.84/x - Step 3: Cross multiply
359,694.36x = 496,368.54 × 198,537.84 - Step 4: Simplify right side
359,694.36x = 98,547,937,775.55 - Step 5: Solve for x
x = 98,547,937,775.55/359,694.36 - Step 6: Final answer
x = 273,976.88
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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.