Finding the Fourth Proportional to 197,548.88, 272,617.43 and 106,904.84
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Solution
The fourth proportional to 197,548.88, 272,617.43 and 106,904.84 is: 147,528.66
Step by Step Solution
- Step 1: Write the proportion equation
197,548.88 : 272,617.43 = 106,904.84 : x - Step 2: Convert to fraction form
197,548.88/272,617.43 = 106,904.84/x - Step 3: Cross multiply
197,548.88x = 272,617.43 × 106,904.84 - Step 4: Simplify right side
197,548.88x = 29,144,120,837.75 - Step 5: Solve for x
x = 29,144,120,837.75/197,548.88 - Step 6: Final answer
x = 147,528.66
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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.