Finding the Fourth Proportional to 505,803.64, 759,079.74 and 239,564.80
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Solution
The fourth proportional to 505,803.64, 759,079.74 and 239,564.80 is: 359,524.47
Step by Step Solution
- Step 1: Write the proportion equation
505,803.64 : 759,079.74 = 239,564.80 : x - Step 2: Convert to fraction form
505,803.64/759,079.74 = 239,564.80/x - Step 3: Cross multiply
505,803.64x = 759,079.74 × 239,564.80 - Step 4: Simplify right side
505,803.64x = 181,848,786,097.15 - Step 5: Solve for x
x = 181,848,786,097.15/505,803.64 - Step 6: Final answer
x = 359,524.47
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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.