Finding the Fourth Proportional to 211,042.36, 316,579.94 and 61,285.08
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Solution
The fourth proportional to 211,042.36, 316,579.94 and 61,285.08 is: 91,932.38
Step by Step Solution
- Step 1: Write the proportion equation
211,042.36 : 316,579.94 = 61,285.08 : x - Step 2: Convert to fraction form
211,042.36/316,579.94 = 61,285.08/x - Step 3: Cross multiply
211,042.36x = 316,579.94 × 61,285.08 - Step 4: Simplify right side
211,042.36x = 19,401,626,949.30 - Step 5: Solve for x
x = 19,401,626,949.30/211,042.36 - Step 6: Final answer
x = 91,932.38
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.