Finding the Fourth Proportional to 237,299.05, 327,472.82 and 129,869.02
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Solution
The fourth proportional to 237,299.05, 327,472.82 and 129,869.02 is: 179,219.32
Step by Step Solution
- Step 1: Write the proportion equation
237,299.05 : 327,472.82 = 129,869.02 : x - Step 2: Convert to fraction form
237,299.05/327,472.82 = 129,869.02/x - Step 3: Cross multiply
237,299.05x = 327,472.82 × 129,869.02 - Step 4: Simplify right side
237,299.05x = 42,528,574,210.04 - Step 5: Solve for x
x = 42,528,574,210.04/237,299.05 - Step 6: Final answer
x = 179,219.32
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1.5x scale
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.