Finding the Fourth Proportional to 419,596.48, 579,257.58 and 284,345.02
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Solution
The fourth proportional to 419,596.48, 579,257.58 and 284,345.02 is: 392,541.44
Step by Step Solution
- Step 1: Write the proportion equation
419,596.48 : 579,257.58 = 284,345.02 : x - Step 2: Convert to fraction form
419,596.48/579,257.58 = 284,345.02/x - Step 3: Cross multiply
419,596.48x = 579,257.58 × 284,345.02 - Step 4: Simplify right side
419,596.48x = 164,709,008,170.25 - Step 5: Solve for x
x = 164,709,008,170.25/419,596.48 - Step 6: Final answer
x = 392,541.44
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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.