Finding the Fourth Proportional to 438,809.96, 605,558.18 and 237,605.48
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Solution
The fourth proportional to 438,809.96, 605,558.18 and 237,605.48 is: 327,895.80
Step by Step Solution
- Step 1: Write the proportion equation
438,809.96 : 605,558.18 = 237,605.48 : x - Step 2: Convert to fraction form
438,809.96/605,558.18 = 237,605.48/x - Step 3: Cross multiply
438,809.96x = 605,558.18 × 237,605.48 - Step 4: Simplify right side
438,809.96x = 143,883,942,026.83 - Step 5: Solve for x
x = 143,883,942,026.83/438,809.96 - Step 6: Final answer
x = 327,895.80
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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.