Finding the Fourth Proportional to 255,011.96, 351,718.80 and 164,382.68
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Solution
The fourth proportional to 255,011.96, 351,718.80 and 164,382.68 is: 226,720.66
Step by Step Solution
- Step 1: Write the proportion equation
255,011.96 : 351,718.80 = 164,382.68 : x - Step 2: Convert to fraction form
255,011.96/351,718.80 = 164,382.68/x - Step 3: Cross multiply
255,011.96x = 351,718.80 × 164,382.68 - Step 4: Simplify right side
255,011.96x = 57,816,478,950.38 - Step 5: Solve for x
x = 57,816,478,950.38/255,011.96 - Step 6: Final answer
x = 226,720.66
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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.