Finding the Fourth Proportional to 384,262.17, 530,283.27 and 212,177.26
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Solution
The fourth proportional to 384,262.17, 530,283.27 and 212,177.26 is: 292,805.43
Step by Step Solution
- Step 1: Write the proportion equation
384,262.17 : 530,283.27 = 212,177.26 : x - Step 2: Convert to fraction form
384,262.17/530,283.27 = 212,177.26/x - Step 3: Cross multiply
384,262.17x = 530,283.27 × 212,177.26 - Step 4: Simplify right side
384,262.17x = 112,514,051,252.44 - Step 5: Solve for x
x = 112,514,051,252.44/384,262.17 - Step 6: Final answer
x = 292,805.43
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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.