Finding the Fourth Proportional to 455,532.48, 628,634.88 and 264,558.18
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Solution
The fourth proportional to 455,532.48, 628,634.88 and 264,558.18 is: 365,090.32
Step by Step Solution
- Step 1: Write the proportion equation
455,532.48 : 628,634.88 = 264,558.18 : x - Step 2: Convert to fraction form
455,532.48/628,634.88 = 264,558.18/x - Step 3: Cross multiply
455,532.48x = 628,634.88 × 264,558.18 - Step 4: Simplify right side
455,532.48x = 166,310,499,737.32 - Step 5: Solve for x
x = 166,310,499,737.32/455,532.48 - Step 6: Final answer
x = 365,090.32
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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.