Finding the Fourth Proportional to 353,880.09, 488,679.08 and 224,861.06
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Solution
The fourth proportional to 353,880.09, 488,679.08 and 224,861.06 is: 310,514.49
Step by Step Solution
- Step 1: Write the proportion equation
353,880.09 : 488,679.08 = 224,861.06 : x - Step 2: Convert to fraction form
353,880.09/488,679.08 = 224,861.06/x - Step 3: Cross multiply
353,880.09x = 488,679.08 × 224,861.06 - Step 4: Simplify right side
353,880.09x = 109,884,896,026.02 - Step 5: Solve for x
x = 109,884,896,026.02/353,880.09 - Step 6: Final answer
x = 310,514.49
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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.