Finding the Fourth Proportional to 156,093.96, 215,410.19 and 84,473.94
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Solution
The fourth proportional to 156,093.96, 215,410.19 and 84,473.94 is: 116,574.32
Step by Step Solution
- Step 1: Write the proportion equation
156,093.96 : 215,410.19 = 84,473.94 : x - Step 2: Convert to fraction form
156,093.96/215,410.19 = 84,473.94/x - Step 3: Cross multiply
156,093.96x = 215,410.19 × 84,473.94 - Step 4: Simplify right side
156,093.96x = 18,196,547,043.08 - Step 5: Solve for x
x = 18,196,547,043.08/156,093.96 - Step 6: Final answer
x = 116,574.32
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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.