Finding the Fourth Proportional to 146,909.64, 202,717.80 and 86,466.88
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Solution
The fourth proportional to 146,909.64, 202,717.80 and 86,466.88 is: 119,313.99
Step by Step Solution
- Step 1: Write the proportion equation
146,909.64 : 202,717.80 = 86,466.88 : x - Step 2: Convert to fraction form
146,909.64/202,717.80 = 86,466.88/x - Step 3: Cross multiply
146,909.64x = 202,717.80 × 86,466.88 - Step 4: Simplify right side
146,909.64x = 17,528,375,686.46 - Step 5: Solve for x
x = 17,528,375,686.46/146,909.64 - Step 6: Final answer
x = 119,313.99
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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.