Finding the Fourth Proportional to 405,082.56, 558,996.90 and 232,987.53
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Solution
The fourth proportional to 405,082.56, 558,996.90 and 232,987.53 is: 321,512.99
Step by Step Solution
- Step 1: Write the proportion equation
405,082.56 : 558,996.90 = 232,987.53 : x - Step 2: Convert to fraction form
405,082.56/558,996.90 = 232,987.53/x - Step 3: Cross multiply
405,082.56x = 558,996.90 × 232,987.53 - Step 4: Simplify right side
405,082.56x = 130,239,307,008.66 - Step 5: Solve for x
x = 130,239,307,008.66/405,082.56 - Step 6: Final answer
x = 321,512.99
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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.