Finding the Fourth Proportional to 425,174.64, 586,716.12 and 243,916.08
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Solution
The fourth proportional to 425,174.64, 586,716.12 and 243,916.08 is: 336,589.92
Step by Step Solution
- Step 1: Write the proportion equation
425,174.64 : 586,716.12 = 243,916.08 : x - Step 2: Convert to fraction form
425,174.64/586,716.12 = 243,916.08/x - Step 3: Cross multiply
425,174.64x = 586,716.12 × 243,916.08 - Step 4: Simplify right side
425,174.64x = 143,109,496,063.21 - Step 5: Solve for x
x = 143,109,496,063.21/425,174.64 - Step 6: Final answer
x = 336,589.92
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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.