Finding the Fourth Proportional to 455,232.16, 628,216.84 and 251,283.12
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Solution
The fourth proportional to 455,232.16, 628,216.84 and 251,283.12 is: 346,768.75
Step by Step Solution
- Step 1: Write the proportion equation
455,232.16 : 628,216.84 = 251,283.12 : x - Step 2: Convert to fraction form
455,232.16/628,216.84 = 251,283.12/x - Step 3: Cross multiply
455,232.16x = 628,216.84 × 251,283.12 - Step 4: Simplify right side
455,232.16x = 157,860,287,591.74 - Step 5: Solve for x
x = 157,860,287,591.74/455,232.16 - Step 6: Final answer
x = 346,768.75
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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.