Finding the Fourth Proportional to 326,557.71, 450,664.58 and 181,364.07
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Solution
The fourth proportional to 326,557.71, 450,664.58 and 181,364.07 is: 250,290.71
Step by Step Solution
- Step 1: Write the proportion equation
326,557.71 : 450,664.58 = 181,364.07 : x - Step 2: Convert to fraction form
326,557.71/450,664.58 = 181,364.07/x - Step 3: Cross multiply
326,557.71x = 450,664.58 × 181,364.07 - Step 4: Simplify right side
326,557.71x = 81,734,360,869.23 - Step 5: Solve for x
x = 81,734,360,869.23/326,557.71 - Step 6: Final answer
x = 250,290.71
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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.