Finding the Fourth Proportional to 156,270.96, 215,653.94 and 84,650.99
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Solution
The fourth proportional to 156,270.96, 215,653.94 and 84,650.99 is: 116,818.36
Step by Step Solution
- Step 1: Write the proportion equation
156,270.96 : 215,653.94 = 84,650.99 : x - Step 2: Convert to fraction form
156,270.96/215,653.94 = 84,650.99/x - Step 3: Cross multiply
156,270.96x = 215,653.94 × 84,650.99 - Step 4: Simplify right side
156,270.96x = 18,255,318,016.88 - Step 5: Solve for x
x = 18,255,318,016.88/156,270.96 - Step 6: Final answer
x = 116,818.36
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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.