Finding the Fourth Proportional to 268,944.48, 402,873.12 and 135,639.36
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Solution
The fourth proportional to 268,944.48, 402,873.12 and 135,639.36 is: 203,184.88
Step by Step Solution
- Step 1: Write the proportion equation
268,944.48 : 402,873.12 = 135,639.36 : x - Step 2: Convert to fraction form
268,944.48/402,873.12 = 135,639.36/x - Step 3: Cross multiply
268,944.48x = 402,873.12 × 135,639.36 - Step 4: Simplify right side
268,944.48x = 54,645,452,158.00 - Step 5: Solve for x
x = 54,645,452,158.00/268,944.48 - Step 6: Final answer
x = 203,184.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.