Finding the Fourth Proportional to 328,322.94, 453,156.11 and 207,387.31
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Solution
The fourth proportional to 328,322.94, 453,156.11 and 207,387.31 is: 286,238.98
Step by Step Solution
- Step 1: Write the proportion equation
328,322.94 : 453,156.11 = 207,387.31 : x - Step 2: Convert to fraction form
328,322.94/453,156.11 = 207,387.31/x - Step 3: Cross multiply
328,322.94x = 453,156.11 × 207,387.31 - Step 4: Simplify right side
328,322.94x = 93,978,824,493.14 - Step 5: Solve for x
x = 93,978,824,493.14/328,322.94 - Step 6: Final answer
x = 286,238.98
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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.