Finding the Fourth Proportional to 424,076.58, 636,145.74 and 157,837.02
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Solution
The fourth proportional to 424,076.58, 636,145.74 and 157,837.02 is: 236,767.02
Step by Step Solution
- Step 1: Write the proportion equation
424,076.58 : 636,145.74 = 157,837.02 : x - Step 2: Convert to fraction form
424,076.58/636,145.74 = 157,837.02/x - Step 3: Cross multiply
424,076.58x = 636,145.74 × 157,837.02 - Step 4: Simplify right side
424,076.58x = 100,407,347,887.30 - Step 5: Solve for x
x = 100,407,347,887.30/424,076.58 - Step 6: Final answer
x = 236,767.02
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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.