Finding the Fourth Proportional to 538,869.79, 808,367.21 and 179,072.75
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Solution
The fourth proportional to 538,869.79, 808,367.21 and 179,072.75 is: 268,629.90
Step by Step Solution
- Step 1: Write the proportion equation
538,869.79 : 808,367.21 = 179,072.75 : x - Step 2: Convert to fraction form
538,869.79/808,367.21 = 179,072.75/x - Step 3: Cross multiply
538,869.79x = 808,367.21 × 179,072.75 - Step 4: Simplify right side
538,869.79x = 144,756,539,304.53 - Step 5: Solve for x
x = 144,756,539,304.53/538,869.79 - Step 6: Final answer
x = 268,629.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.