Finding the Fourth Proportional to 404,915.87, 607,743.71 and 205,373.99
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Solution
The fourth proportional to 404,915.87, 607,743.71 and 205,373.99 is: 308,248.60
Step by Step Solution
- Step 1: Write the proportion equation
404,915.87 : 607,743.71 = 205,373.99 : x - Step 2: Convert to fraction form
404,915.87/607,743.71 = 205,373.99/x - Step 3: Cross multiply
404,915.87x = 607,743.71 × 205,373.99 - Step 4: Simplify right side
404,915.87x = 124,814,750,620.10 - Step 5: Solve for x
x = 124,814,750,620.10/404,915.87 - Step 6: Final answer
x = 308,248.60
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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.