Finding the Fourth Proportional to 84,298.18, 116,334.84 and 48,488.18
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Solution
The fourth proportional to 84,298.18, 116,334.84 and 48,488.18 is: 66,915.62
Step by Step Solution
- Step 1: Write the proportion equation
84,298.18 : 116,334.84 = 48,488.18 : x - Step 2: Convert to fraction form
84,298.18/116,334.84 = 48,488.18/x - Step 3: Cross multiply
84,298.18x = 116,334.84 × 48,488.18 - Step 4: Simplify right side
84,298.18x = 5,640,864,662.19 - Step 5: Solve for x
x = 5,640,864,662.19/84,298.18 - Step 6: Final answer
x = 66,915.62
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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.