Finding the Fourth Proportional to 197,840.17, 273,019.71 and 107,197.12
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Solution
The fourth proportional to 197,840.17, 273,019.71 and 107,197.12 is: 147,932.17
Step by Step Solution
- Step 1: Write the proportion equation
197,840.17 : 273,019.71 = 107,197.12 : x - Step 2: Convert to fraction form
197,840.17/273,019.71 = 107,197.12/x - Step 3: Cross multiply
197,840.17x = 273,019.71 × 107,197.12 - Step 4: Simplify right side
197,840.17x = 29,266,926,615.24 - Step 5: Solve for x
x = 29,266,926,615.24/197,840.17 - Step 6: Final answer
x = 147,932.17
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1.5x scale
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.