Finding the Fourth Proportional to 338,971.21, 467,778.98 and 186,011.96
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Solution
The fourth proportional to 338,971.21, 467,778.98 and 186,011.96 is: 256,695.79
Step by Step Solution
- Step 1: Write the proportion equation
338,971.21 : 467,778.98 = 186,011.96 : x - Step 2: Convert to fraction form
338,971.21/467,778.98 = 186,011.96/x - Step 3: Cross multiply
338,971.21x = 467,778.98 × 186,011.96 - Step 4: Simplify right side
338,971.21x = 87,012,483,042.74 - Step 5: Solve for x
x = 87,012,483,042.74/338,971.21 - Step 6: Final answer
x = 256,695.79
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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.