Finding the Fourth Proportional to 328,529.99, 453,576.62 and 251,901.80
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Solution
The fourth proportional to 328,529.99, 453,576.62 and 251,901.80 is: 347,781.85
Step by Step Solution
- Step 1: Write the proportion equation
328,529.99 : 453,576.62 = 251,901.80 : x - Step 2: Convert to fraction form
328,529.99/453,576.62 = 251,901.80/x - Step 3: Cross multiply
328,529.99x = 453,576.62 × 251,901.80 - Step 4: Simplify right side
328,529.99x = 114,256,767,078.70 - Step 5: Solve for x
x = 114,256,767,078.70/328,529.99 - Step 6: Final answer
x = 347,781.85
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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.