Finding the Fourth Proportional to 234,889.20, 352,332.11 and 57,394.58
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Solution
The fourth proportional to 234,889.20, 352,332.11 and 57,394.58 is: 86,091.45
Step by Step Solution
- Step 1: Write the proportion equation
234,889.20 : 352,332.11 = 57,394.58 : x - Step 2: Convert to fraction form
234,889.20/352,332.11 = 57,394.58/x - Step 3: Cross multiply
234,889.20x = 352,332.11 × 57,394.58 - Step 4: Simplify right side
234,889.20x = 20,221,951,855.79 - Step 5: Solve for x
x = 20,221,951,855.79/234,889.20 - Step 6: Final answer
x = 86,091.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.