Finding the Fourth Proportional to 223,402.80, 308,193.12 and 197,935.14
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Solution
The fourth proportional to 223,402.80, 308,193.12 and 197,935.14 is: 273,059.46
Step by Step Solution
- Step 1: Write the proportion equation
223,402.80 : 308,193.12 = 197,935.14 : x - Step 2: Convert to fraction form
223,402.80/308,193.12 = 197,935.14/x - Step 3: Cross multiply
223,402.80x = 308,193.12 × 197,935.14 - Step 4: Simplify right side
223,402.80x = 61,002,248,354.24 - Step 5: Solve for x
x = 61,002,248,354.24/223,402.80 - Step 6: Final answer
x = 273,059.46
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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.