Finding the Fourth Proportional to 353,881.09, 488,680.46 and 224,862.07
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Solution
The fourth proportional to 353,881.09, 488,680.46 and 224,862.07 is: 310,515.87
Step by Step Solution
- Step 1: Write the proportion equation
353,881.09 : 488,680.46 = 224,862.07 : x - Step 2: Convert to fraction form
353,881.09/488,680.46 = 224,862.07/x - Step 3: Cross multiply
353,881.09x = 488,680.46 × 224,862.07 - Step 4: Simplify right side
353,881.09x = 109,885,696,236.44 - Step 5: Solve for x
x = 109,885,696,236.44/353,881.09 - Step 6: Final answer
x = 310,515.87
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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.