Finding the Fourth Proportional to 405,122.58, 559,080.44 and 223,846.20
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Solution
The fourth proportional to 405,122.58, 559,080.44 and 223,846.20 is: 308,913.99
Step by Step Solution
- Step 1: Write the proportion equation
405,122.58 : 559,080.44 = 223,846.20 : x - Step 2: Convert to fraction form
405,122.58/559,080.44 = 223,846.20/x - Step 3: Cross multiply
405,122.58x = 559,080.44 × 223,846.20 - Step 4: Simplify right side
405,122.58x = 125,148,030,869.10 - Step 5: Solve for x
x = 125,148,030,869.10/405,122.58 - Step 6: Final answer
x = 308,913.99
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1.5x scale
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.