Finding the Fourth Proportional to 400,917.84, 553,252.17 and 228,844.68
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Solution
The fourth proportional to 400,917.84, 553,252.17 and 228,844.68 is: 315,797.41
Step by Step Solution
- Step 1: Write the proportion equation
400,917.84 : 553,252.17 = 228,844.68 : x - Step 2: Convert to fraction form
400,917.84/553,252.17 = 228,844.68/x - Step 3: Cross multiply
400,917.84x = 553,252.17 × 228,844.68 - Step 4: Simplify right side
400,917.84x = 126,608,815,802.96 - Step 5: Solve for x
x = 126,608,815,802.96/400,917.84 - Step 6: Final answer
x = 315,797.41
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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.