Finding the Fourth Proportional to 421,810.53, 582,098.58 and 230,823.96
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Solution
The fourth proportional to 421,810.53, 582,098.58 and 230,823.96 is: 318,537.09
Step by Step Solution
- Step 1: Write the proportion equation
421,810.53 : 582,098.58 = 230,823.96 : x - Step 2: Convert to fraction form
421,810.53/582,098.58 = 230,823.96/x - Step 3: Cross multiply
421,810.53x = 582,098.58 × 230,823.96 - Step 4: Simplify right side
421,810.53x = 134,362,299,345.98 - Step 5: Solve for x
x = 134,362,299,345.98/421,810.53 - Step 6: Final answer
x = 318,537.09
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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.