Finding the Fourth Proportional to 197,472.42, 272,510.67 and 106,828.02
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Solution
The fourth proportional to 197,472.42, 272,510.67 and 106,828.02 is: 147,421.98
Step by Step Solution
- Step 1: Write the proportion equation
197,472.42 : 272,510.67 = 106,828.02 : x - Step 2: Convert to fraction form
197,472.42/272,510.67 = 106,828.02/x - Step 3: Cross multiply
197,472.42x = 272,510.67 × 106,828.02 - Step 4: Simplify right side
197,472.42x = 29,111,775,304.97 - Step 5: Solve for x
x = 29,111,775,304.97/197,472.42 - Step 6: Final answer
x = 147,421.98
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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.