Finding the Fourth Proportional to 382,823.98, 528,286.02 and 213,054.46
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Solution
The fourth proportional to 382,823.98, 528,286.02 and 213,054.46 is: 294,008.99
Step by Step Solution
- Step 1: Write the proportion equation
382,823.98 : 528,286.02 = 213,054.46 : x - Step 2: Convert to fraction form
382,823.98/528,286.02 = 213,054.46/x - Step 3: Cross multiply
382,823.98x = 528,286.02 × 213,054.46 - Step 4: Simplify right side
382,823.98x = 112,553,692,716.65 - Step 5: Solve for x
x = 112,553,692,716.65/382,823.98 - Step 6: Final answer
x = 294,008.99
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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.