Finding the Fourth Proportional to 354,207.68, 488,784.40 and 195,231.68
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Solution
The fourth proportional to 354,207.68, 488,784.40 and 195,231.68 is: 269,407.48
Step by Step Solution
- Step 1: Write the proportion equation
354,207.68 : 488,784.40 = 195,231.68 : x - Step 2: Convert to fraction form
354,207.68/488,784.40 = 195,231.68/x - Step 3: Cross multiply
354,207.68x = 488,784.40 × 195,231.68 - Step 4: Simplify right side
354,207.68x = 95,426,199,569.79 - Step 5: Solve for x
x = 95,426,199,569.79/354,207.68 - Step 6: Final answer
x = 269,407.48
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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.