Finding the Fourth Proportional to 450,689.92, 675,994.56 and 135,217.28
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Solution
The fourth proportional to 450,689.92, 675,994.56 and 135,217.28 is: 202,813.82
Step by Step Solution
- Step 1: Write the proportion equation
450,689.92 : 675,994.56 = 135,217.28 : x - Step 2: Convert to fraction form
450,689.92/675,994.56 = 135,217.28/x - Step 3: Cross multiply
450,689.92x = 675,994.56 × 135,217.28 - Step 4: Simplify right side
450,689.92x = 91,406,145,698.00 - Step 5: Solve for x
x = 91,406,145,698.00/450,689.92 - Step 6: Final answer
x = 202,813.82
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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.