Finding the Fourth Proportional to 197,548.74, 272,617.25 and 106,904.70
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Solution
The fourth proportional to 197,548.74, 272,617.25 and 106,904.70 is: 147,528.48
Step by Step Solution
- Step 1: Write the proportion equation
197,548.74 : 272,617.25 = 106,904.70 : x - Step 2: Convert to fraction form
197,548.74/272,617.25 = 106,904.70/x - Step 3: Cross multiply
197,548.74x = 272,617.25 × 106,904.70 - Step 4: Simplify right side
197,548.74x = 29,144,066,274.88 - Step 5: Solve for x
x = 29,144,066,274.88/197,548.74 - Step 6: Final answer
x = 147,528.48
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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.