Finding the Fourth Proportional to 942,136.56, 1,412,992.35 and 268,202.88
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Solution
The fourth proportional to 942,136.56, 1,412,992.35 and 268,202.88 is: 402,243.83
Step by Step Solution
- Step 1: Write the proportion equation
942,136.56 : 1,412,992.35 = 268,202.88 : x - Step 2: Convert to fraction form
942,136.56/1,412,992.35 = 268,202.88/x - Step 3: Cross multiply
942,136.56x = 1,412,992.35 × 268,202.88 - Step 4: Simplify right side
942,136.56x = 378,968,617,687.97 - Step 5: Solve for x
x = 378,968,617,687.97/942,136.56 - Step 6: Final answer
x = 402,243.83
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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.