Finding the Fourth Proportional to 162,405.64, 243,357.18 and 112,583.08
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Solution
The fourth proportional to 162,405.64, 243,357.18 and 112,583.08 is: 168,700.43
Step by Step Solution
- Step 1: Write the proportion equation
162,405.64 : 243,357.18 = 112,583.08 : x - Step 2: Convert to fraction form
162,405.64/243,357.18 = 112,583.08/x - Step 3: Cross multiply
162,405.64x = 243,357.18 × 112,583.08 - Step 4: Simplify right side
162,405.64x = 27,397,900,864.51 - Step 5: Solve for x
x = 27,397,900,864.51/162,405.64 - Step 6: Final answer
x = 168,700.43
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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.