Finding the Fourth Proportional to 287,423.00, 396,655.98 and 160,098.65
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Solution
The fourth proportional to 287,423.00, 396,655.98 and 160,098.65 is: 220,942.95
Step by Step Solution
- Step 1: Write the proportion equation
287,423.00 : 396,655.98 = 160,098.65 : x - Step 2: Convert to fraction form
287,423.00/396,655.98 = 160,098.65/x - Step 3: Cross multiply
287,423.00x = 396,655.98 × 160,098.65 - Step 4: Simplify right side
287,423.00x = 63,504,087,503.82 - Step 5: Solve for x
x = 63,504,087,503.82/287,423.00 - Step 6: Final answer
x = 220,942.95
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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.