Finding the Fourth Proportional to 318,034.09, 438,864.64 and 174,803.41
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Solution
The fourth proportional to 318,034.09, 438,864.64 and 174,803.41 is: 241,216.39
Step by Step Solution
- Step 1: Write the proportion equation
318,034.09 : 438,864.64 = 174,803.41 : x - Step 2: Convert to fraction form
318,034.09/438,864.64 = 174,803.41/x - Step 3: Cross multiply
318,034.09x = 438,864.64 × 174,803.41 - Step 4: Simplify right side
318,034.09x = 76,715,035,600.42 - Step 5: Solve for x
x = 76,715,035,600.42/318,034.09 - Step 6: Final answer
x = 241,216.39
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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.