Finding the Fourth Proportional to 353,781.06, 488,213.61 and 192,636.06
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Solution
The fourth proportional to 353,781.06, 488,213.61 and 192,636.06 is: 265,835.45
Step by Step Solution
- Step 1: Write the proportion equation
353,781.06 : 488,213.61 = 192,636.06 : x - Step 2: Convert to fraction form
353,781.06/488,213.61 = 192,636.06/x - Step 3: Cross multiply
353,781.06x = 488,213.61 × 192,636.06 - Step 4: Simplify right side
353,781.06x = 94,047,546,268.78 - Step 5: Solve for x
x = 94,047,546,268.78/353,781.06 - Step 6: Final answer
x = 265,835.45
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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.