Finding the Fourth Proportional to 245,899.25, 368,775.97 and 105,625.07
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Solution
The fourth proportional to 245,899.25, 368,775.97 and 105,625.07 is: 158,406.28
Step by Step Solution
- Step 1: Write the proportion equation
245,899.25 : 368,775.97 = 105,625.07 : x - Step 2: Convert to fraction form
245,899.25/368,775.97 = 105,625.07/x - Step 3: Cross multiply
245,899.25x = 368,775.97 × 105,625.07 - Step 4: Simplify right side
245,899.25x = 38,951,985,273.56 - Step 5: Solve for x
x = 38,951,985,273.56/245,899.25 - Step 6: Final answer
x = 158,406.28
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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.