Finding the Fourth Proportional to 654,315.13, 981,472.69 and 180,988.19
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Solution
The fourth proportional to 654,315.13, 981,472.69 and 180,988.19 is: 271,482.28
Step by Step Solution
- Step 1: Write the proportion equation
654,315.13 : 981,472.69 = 180,988.19 : x - Step 2: Convert to fraction form
654,315.13/981,472.69 = 180,988.19/x - Step 3: Cross multiply
654,315.13x = 981,472.69 × 180,988.19 - Step 4: Simplify right side
654,315.13x = 177,634,965,697.53 - Step 5: Solve for x
x = 177,634,965,697.53/654,315.13 - Step 6: Final answer
x = 271,482.28
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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.