Finding the Fourth Proportional to 135,497.19, 203,255.86 and 40,719.78
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Solution
The fourth proportional to 135,497.19, 203,255.86 and 40,719.78 is: 61,082.70
Step by Step Solution
- Step 1: Write the proportion equation
135,497.19 : 203,255.86 = 40,719.78 : x - Step 2: Convert to fraction form
135,497.19/203,255.86 = 40,719.78/x - Step 3: Cross multiply
135,497.19x = 203,255.86 × 40,719.78 - Step 4: Simplify right side
135,497.19x = 8,276,534,563.32 - Step 5: Solve for x
x = 8,276,534,563.32/135,497.19 - Step 6: Final answer
x = 61,082.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.