Finding the Fourth Proportional to 405,526.44, 559,402.02 and 235,741.80
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Solution
The fourth proportional to 405,526.44, 559,402.02 and 235,741.80 is: 325,193.20
Step by Step Solution
- Step 1: Write the proportion equation
405,526.44 : 559,402.02 = 235,741.80 : x - Step 2: Convert to fraction form
405,526.44/559,402.02 = 235,741.80/x - Step 3: Cross multiply
405,526.44x = 559,402.02 × 235,741.80 - Step 4: Simplify right side
405,526.44x = 131,874,439,118.44 - Step 5: Solve for x
x = 131,874,439,118.44/405,526.44 - Step 6: Final answer
x = 325,193.20
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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.