Finding the Fourth Proportional to 400,916.84, 553,250.79 and 228,843.68
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Solution
The fourth proportional to 400,916.84, 553,250.79 and 228,843.68 is: 315,796.03
Step by Step Solution
- Step 1: Write the proportion equation
400,916.84 : 553,250.79 = 228,843.68 : x - Step 2: Convert to fraction form
400,916.84/553,250.79 = 228,843.68/x - Step 3: Cross multiply
400,916.84x = 553,250.79 × 228,843.68 - Step 4: Simplify right side
400,916.84x = 126,607,943,980.25 - Step 5: Solve for x
x = 126,607,943,980.25/400,916.84 - Step 6: Final answer
x = 315,796.03
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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.