Finding the Fourth Proportional to 197,582.29, 272,663.21 and 106,938.23
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Solution
The fourth proportional to 197,582.29, 272,663.21 and 106,938.23 is: 147,574.56
Step by Step Solution
- Step 1: Write the proportion equation
197,582.29 : 272,663.21 = 106,938.23 : x - Step 2: Convert to fraction form
197,582.29/272,663.21 = 106,938.23/x - Step 3: Cross multiply
197,582.29x = 272,663.21 × 106,938.23 - Step 4: Simplify right side
197,582.29x = 29,158,119,967.55 - Step 5: Solve for x
x = 29,158,119,967.55/197,582.29 - Step 6: Final answer
x = 147,574.56
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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.