Finding the Fourth Proportional to 402,907.60, 604,295.66 and 118,531.62
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Solution
The fourth proportional to 402,907.60, 604,295.66 and 118,531.62 is: 177,778.09
Step by Step Solution
- Step 1: Write the proportion equation
402,907.60 : 604,295.66 = 118,531.62 : x - Step 2: Convert to fraction form
402,907.60/604,295.66 = 118,531.62/x - Step 3: Cross multiply
402,907.60x = 604,295.66 × 118,531.62 - Step 4: Simplify right side
402,907.60x = 71,628,143,538.77 - Step 5: Solve for x
x = 71,628,143,538.77/402,907.60 - Step 6: Final answer
x = 177,778.09
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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.