Finding the Fourth Proportional to 328,387.20, 453,199.98 and 183,238.66
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Solution
The fourth proportional to 328,387.20, 453,199.98 and 183,238.66 is: 252,883.66
Step by Step Solution
- Step 1: Write the proportion equation
328,387.20 : 453,199.98 = 183,238.66 : x - Step 2: Convert to fraction form
328,387.20/453,199.98 = 183,238.66/x - Step 3: Cross multiply
328,387.20x = 453,199.98 × 183,238.66 - Step 4: Simplify right side
328,387.20x = 83,043,757,047.23 - Step 5: Solve for x
x = 83,043,757,047.23/328,387.20 - Step 6: Final answer
x = 252,883.66
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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.