Finding the Fourth Proportional to 287,423.43, 396,656.58 and 160,098.99
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Solution
The fourth proportional to 287,423.43, 396,656.58 and 160,098.99 is: 220,943.43
Step by Step Solution
- Step 1: Write the proportion equation
287,423.43 : 396,656.58 = 160,098.99 : x - Step 2: Convert to fraction form
287,423.43/396,656.58 = 160,098.99/x - Step 3: Cross multiply
287,423.43x = 396,656.58 × 160,098.99 - Step 4: Simplify right side
287,423.43x = 63,504,317,834.85 - Step 5: Solve for x
x = 63,504,317,834.85/287,423.43 - Step 6: Final answer
x = 220,943.43
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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.