Finding the Fourth Proportional to 353,808.42, 488,240.87 and 192,663.06
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Solution
The fourth proportional to 353,808.42, 488,240.87 and 192,663.06 is: 265,866.99
Step by Step Solution
- Step 1: Write the proportion equation
353,808.42 : 488,240.87 = 192,663.06 : x - Step 2: Convert to fraction form
353,808.42/488,240.87 = 192,663.06/x - Step 3: Cross multiply
353,808.42x = 488,240.87 × 192,663.06 - Step 4: Simplify right side
353,808.42x = 94,065,979,067.95 - Step 5: Solve for x
x = 94,065,979,067.95/353,808.42 - Step 6: Final answer
x = 265,866.99
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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.