Finding the Fourth Proportional to 268,890.20, 403,724.10 and 202,794.20
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Solution
The fourth proportional to 268,890.20, 403,724.10 and 202,794.20 is: 304,484.53
Step by Step Solution
- Step 1: Write the proportion equation
268,890.20 : 403,724.10 = 202,794.20 : x - Step 2: Convert to fraction form
268,890.20/403,724.10 = 202,794.20/x - Step 3: Cross multiply
268,890.20x = 403,724.10 × 202,794.20 - Step 4: Simplify right side
268,890.20x = 81,872,905,880.22 - Step 5: Solve for x
x = 81,872,905,880.22/268,890.20 - Step 6: Final answer
x = 304,484.53
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1.5x scale
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.