Finding the Fourth Proportional to 219,140.64, 328,677.84 and 69,361.44
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Solution
The fourth proportional to 219,140.64, 328,677.84 and 69,361.44 is: 104,031.68
Step by Step Solution
- Step 1: Write the proportion equation
219,140.64 : 328,677.84 = 69,361.44 : x - Step 2: Convert to fraction form
219,140.64/328,677.84 = 69,361.44/x - Step 3: Cross multiply
219,140.64x = 328,677.84 × 69,361.44 - Step 4: Simplify right side
219,140.64x = 22,797,568,278.49 - Step 5: Solve for x
x = 22,797,568,278.49/219,140.64 - Step 6: Final answer
x = 104,031.68
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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.