Finding the Fourth Proportional to 354,244.74, 531,269.82 and 211,977.96
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Solution
The fourth proportional to 354,244.74, 531,269.82 and 211,977.96 is: 317,908.72
Step by Step Solution
- Step 1: Write the proportion equation
354,244.74 : 531,269.82 = 211,977.96 : x - Step 2: Convert to fraction form
354,244.74/531,269.82 = 211,977.96/x - Step 3: Cross multiply
354,244.74x = 531,269.82 × 211,977.96 - Step 4: Simplify right side
354,244.74x = 112,617,492,653.17 - Step 5: Solve for x
x = 112,617,492,653.17/354,244.74 - Step 6: Final answer
x = 317,908.72
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.