Finding the Fourth Proportional to 427,690.11, 590,150.57 and 236,703.05
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Solution
The fourth proportional to 427,690.11, 590,150.57 and 236,703.05 is: 326,616.02
Step by Step Solution
- Step 1: Write the proportion equation
427,690.11 : 590,150.57 = 236,703.05 : x - Step 2: Convert to fraction form
427,690.11/590,150.57 = 236,703.05/x - Step 3: Cross multiply
427,690.11x = 590,150.57 × 236,703.05 - Step 4: Simplify right side
427,690.11x = 139,690,439,878.24 - Step 5: Solve for x
x = 139,690,439,878.24/427,690.11 - Step 6: Final answer
x = 326,616.02
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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.