Finding the Fourth Proportional to 237,861.50, 328,258.84 and 130,435.68
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Solution
The fourth proportional to 237,861.50, 328,258.84 and 130,435.68 is: 180,006.71
Step by Step Solution
- Step 1: Write the proportion equation
237,861.50 : 328,258.84 = 130,435.68 : x - Step 2: Convert to fraction form
237,861.50/328,258.84 = 130,435.68/x - Step 3: Cross multiply
237,861.50x = 328,258.84 × 130,435.68 - Step 4: Simplify right side
237,861.50x = 42,816,665,011.41 - Step 5: Solve for x
x = 42,816,665,011.41/237,861.50 - Step 6: Final answer
x = 180,006.71
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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.