Finding the Fourth Proportional to 353,889.84, 488,371.14 and 192,745.62
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Solution
The fourth proportional to 353,889.84, 488,371.14 and 192,745.62 is: 265,990.68
Step by Step Solution
- Step 1: Write the proportion equation
353,889.84 : 488,371.14 = 192,745.62 : x - Step 2: Convert to fraction form
353,889.84/488,371.14 = 192,745.62/x - Step 3: Cross multiply
353,889.84x = 488,371.14 × 192,745.62 - Step 4: Simplify right side
353,889.84x = 94,131,398,169.41 - Step 5: Solve for x
x = 94,131,398,169.41/353,889.84 - Step 6: Final answer
x = 265,990.68
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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.