Finding the Fourth Proportional to 514,651.66, 710,198.79 and 285,218.75
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Solution
The fourth proportional to 514,651.66, 710,198.79 and 285,218.75 is: 393,590.52
Step by Step Solution
- Step 1: Write the proportion equation
514,651.66 : 710,198.79 = 285,218.75 : x - Step 2: Convert to fraction form
514,651.66/710,198.79 = 285,218.75/x - Step 3: Cross multiply
514,651.66x = 710,198.79 × 285,218.75 - Step 4: Simplify right side
514,651.66x = 202,562,011,841.24 - Step 5: Solve for x
x = 202,562,011,841.24/514,651.66 - Step 6: Final answer
x = 393,590.52
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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.