Finding the Fourth Proportional to 314,240.71, 433,661.31 and 171,009.99
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Solution
The fourth proportional to 314,240.71, 433,661.31 and 171,009.99 is: 235,998.75
Step by Step Solution
- Step 1: Write the proportion equation
314,240.71 : 433,661.31 = 171,009.99 : x - Step 2: Convert to fraction form
314,240.71/433,661.31 = 171,009.99/x - Step 3: Cross multiply
314,240.71x = 433,661.31 × 171,009.99 - Step 4: Simplify right side
314,240.71x = 74,160,415,431.44 - Step 5: Solve for x
x = 74,160,415,431.44/314,240.71 - Step 6: Final answer
x = 235,998.75
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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.