Finding the Fourth Proportional to 156,188.23, 215,378.65 and 133,601.99
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Solution
The fourth proportional to 156,188.23, 215,378.65 and 133,601.99 is: 184,232.94
Step by Step Solution
- Step 1: Write the proportion equation
156,188.23 : 215,378.65 = 133,601.99 : x - Step 2: Convert to fraction form
156,188.23/215,378.65 = 133,601.99/x - Step 3: Cross multiply
156,188.23x = 215,378.65 × 133,601.99 - Step 4: Simplify right side
156,188.23x = 28,775,016,243.51 - Step 5: Solve for x
x = 28,775,016,243.51/156,188.23 - Step 6: Final answer
x = 184,232.94
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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.