Finding the Fourth Proportional to 384,551.49, 530,691.99 and 214,796.55
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Solution
The fourth proportional to 384,551.49, 530,691.99 and 214,796.55 is: 296,425.34
Step by Step Solution
- Step 1: Write the proportion equation
384,551.49 : 530,691.99 = 214,796.55 : x - Step 2: Convert to fraction form
384,551.49/530,691.99 = 214,796.55/x - Step 3: Cross multiply
384,551.49x = 530,691.99 × 214,796.55 - Step 4: Simplify right side
384,551.49x = 113,990,805,769.05 - Step 5: Solve for x
x = 113,990,805,769.05/384,551.49 - Step 6: Final answer
x = 296,425.34
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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.