Finding the Fourth Proportional to 448,316.13, 618,676.28 and 247,112.13
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Solution
The fourth proportional to 448,316.13, 618,676.28 and 247,112.13 is: 341,014.75
Step by Step Solution
- Step 1: Write the proportion equation
448,316.13 : 618,676.28 = 247,112.13 : x - Step 2: Convert to fraction form
448,316.13/618,676.28 = 247,112.13/x - Step 3: Cross multiply
448,316.13x = 618,676.28 × 247,112.13 - Step 4: Simplify right side
448,316.13x = 152,882,412,095.72 - Step 5: Solve for x
x = 152,882,412,095.72/448,316.13 - Step 6: Final answer
x = 341,014.75
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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.