Finding the Fourth Proportional to 156,508.08, 215,977.23 and 87,596.52
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Solution
The fourth proportional to 156,508.08, 215,977.23 and 87,596.52 is: 120,881.00
Step by Step Solution
- Step 1: Write the proportion equation
156,508.08 : 215,977.23 = 87,596.52 : x - Step 2: Convert to fraction form
156,508.08/215,977.23 = 87,596.52/x - Step 3: Cross multiply
156,508.08x = 215,977.23 × 87,596.52 - Step 4: Simplify right side
156,508.08x = 18,918,853,747.24 - Step 5: Solve for x
x = 18,918,853,747.24/156,508.08 - Step 6: Final answer
x = 120,881.00
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.