Finding the Fourth Proportional to 197,577.23, 272,656.25 and 106,933.14
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Solution
The fourth proportional to 197,577.23, 272,656.25 and 106,933.14 is: 147,567.56
Step by Step Solution
- Step 1: Write the proportion equation
197,577.23 : 272,656.25 = 106,933.14 : x - Step 2: Convert to fraction form
197,577.23/272,656.25 = 106,933.14/x - Step 3: Cross multiply
197,577.23x = 272,656.25 × 106,933.14 - Step 4: Simplify right side
197,577.23x = 29,155,988,353.36 - Step 5: Solve for x
x = 29,155,988,353.36/197,577.23 - Step 6: Final answer
x = 147,567.56
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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.