Finding the Fourth Proportional to 384,716.24, 530,935.88 and 212,630.52
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Solution
The fourth proportional to 384,716.24, 530,935.88 and 212,630.52 is: 293,445.30
Step by Step Solution
- Step 1: Write the proportion equation
384,716.24 : 530,935.88 = 212,630.52 : x - Step 2: Convert to fraction form
384,716.24/530,935.88 = 212,630.52/x - Step 3: Cross multiply
384,716.24x = 530,935.88 × 212,630.52 - Step 4: Simplify right side
384,716.24x = 112,893,172,251.06 - Step 5: Solve for x
x = 112,893,172,251.06/384,716.24 - Step 6: Final answer
x = 293,445.30
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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.