Finding the Fourth Proportional to 237,971.40, 328,409.64 and 130,545.96
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Solution
The fourth proportional to 237,971.40, 328,409.64 and 130,545.96 is: 180,158.42
Step by Step Solution
- Step 1: Write the proportion equation
237,971.40 : 328,409.64 = 130,545.96 : x - Step 2: Convert to fraction form
237,971.40/328,409.64 = 130,545.96/x - Step 3: Cross multiply
237,971.40x = 328,409.64 × 130,545.96 - Step 4: Simplify right side
237,971.40x = 42,872,551,727.05 - Step 5: Solve for x
x = 42,872,551,727.05/237,971.40 - Step 6: Final answer
x = 180,158.42
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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.