Finding the Fourth Proportional to 253,851.08, 350,330.82 and 140,681.12
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Solution
The fourth proportional to 253,851.08, 350,330.82 and 140,681.12 is: 194,149.00
Step by Step Solution
- Step 1: Write the proportion equation
253,851.08 : 350,330.82 = 140,681.12 : x - Step 2: Convert to fraction form
253,851.08/350,330.82 = 140,681.12/x - Step 3: Cross multiply
253,851.08x = 350,330.82 × 140,681.12 - Step 4: Simplify right side
253,851.08x = 49,284,932,128.12 - Step 5: Solve for x
x = 49,284,932,128.12/253,851.08 - Step 6: Final answer
x = 194,149.00
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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.