Finding the Fourth Proportional to 373,695.63, 515,728.50 and 212,541.06
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Solution
The fourth proportional to 373,695.63, 515,728.50 and 212,541.06 is: 293,322.89
Step by Step Solution
- Step 1: Write the proportion equation
373,695.63 : 515,728.50 = 212,541.06 : x - Step 2: Convert to fraction form
373,695.63/515,728.50 = 212,541.06/x - Step 3: Cross multiply
373,695.63x = 515,728.50 × 212,541.06 - Step 4: Simplify right side
373,695.63x = 109,613,482,062.21 - Step 5: Solve for x
x = 109,613,482,062.21/373,695.63 - Step 6: Final answer
x = 293,322.89
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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.