Finding the Fourth Proportional to 613,326.40, 920,028.36 and 192,618.88
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Solution
The fourth proportional to 613,326.40, 920,028.36 and 192,618.88 is: 288,940.49
Step by Step Solution
- Step 1: Write the proportion equation
613,326.40 : 920,028.36 = 192,618.88 : x - Step 2: Convert to fraction form
613,326.40/920,028.36 = 192,618.88/x - Step 3: Cross multiply
613,326.40x = 920,028.36 × 192,618.88 - Step 4: Simplify right side
613,326.40x = 177,214,832,271.44 - Step 5: Solve for x
x = 177,214,832,271.44/613,326.40 - Step 6: Final answer
x = 288,940.49
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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.