Finding the Fourth Proportional to 339,888.92, 469,046.99 and 186,929.54
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Solution
The fourth proportional to 339,888.92, 469,046.99 and 186,929.54 is: 257,962.92
Step by Step Solution
- Step 1: Write the proportion equation
339,888.92 : 469,046.99 = 186,929.54 : x - Step 2: Convert to fraction form
339,888.92/469,046.99 = 186,929.54/x - Step 3: Cross multiply
339,888.92x = 469,046.99 × 186,929.54 - Step 4: Simplify right side
339,888.92x = 87,678,738,079.08 - Step 5: Solve for x
x = 87,678,738,079.08/339,888.92 - Step 6: Final answer
x = 257,962.92
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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.