Finding the Fourth Proportional to 156,221.36, 215,584.35 and 84,599.72
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Solution
The fourth proportional to 156,221.36, 215,584.35 and 84,599.72 is: 116,747.00
Step by Step Solution
- Step 1: Write the proportion equation
156,221.36 : 215,584.35 = 84,599.72 : x - Step 2: Convert to fraction form
156,221.36/215,584.35 = 84,599.72/x - Step 3: Cross multiply
156,221.36x = 215,584.35 × 84,599.72 - Step 4: Simplify right side
156,221.36x = 18,238,375,646.38 - Step 5: Solve for x
x = 18,238,375,646.38/156,221.36 - Step 6: Final answer
x = 116,747.00
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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.