Finding the Fourth Proportional to 354,143.62, 488,703.94 and 192,995.23
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Solution
The fourth proportional to 354,143.62, 488,703.94 and 192,995.23 is: 266,325.65
Step by Step Solution
- Step 1: Write the proportion equation
354,143.62 : 488,703.94 = 192,995.23 : x - Step 2: Convert to fraction form
354,143.62/488,703.94 = 192,995.23/x - Step 3: Cross multiply
354,143.62x = 488,703.94 × 192,995.23 - Step 4: Simplify right side
354,143.62x = 94,317,529,302.21 - Step 5: Solve for x
x = 94,317,529,302.21/354,143.62 - Step 6: Final answer
x = 266,325.65
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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.