Finding the Fourth Proportional to 235,926.86, 354,042.46 and 86,154.62
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Solution
The fourth proportional to 235,926.86, 354,042.46 and 86,154.62 is: 129,287.49
Step by Step Solution
- Step 1: Write the proportion equation
235,926.86 : 354,042.46 = 86,154.62 : x - Step 2: Convert to fraction form
235,926.86/354,042.46 = 86,154.62/x - Step 3: Cross multiply
235,926.86x = 354,042.46 × 86,154.62 - Step 4: Simplify right side
235,926.86x = 30,502,391,942.65 - Step 5: Solve for x
x = 30,502,391,942.65/235,926.86 - Step 6: Final answer
x = 129,287.49
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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.