Finding the Fourth Proportional to 284,668.35, 392,850.68 and 155,613.95
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Solution
The fourth proportional to 284,668.35, 392,850.68 and 155,613.95 is: 214,751.82
Step by Step Solution
- Step 1: Write the proportion equation
284,668.35 : 392,850.68 = 155,613.95 : x - Step 2: Convert to fraction form
284,668.35/392,850.68 = 155,613.95/x - Step 3: Cross multiply
284,668.35x = 392,850.68 × 155,613.95 - Step 4: Simplify right side
284,668.35x = 61,133,046,279.04 - Step 5: Solve for x
x = 61,133,046,279.04/284,668.35 - Step 6: Final answer
x = 214,751.82
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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.