Finding the Fourth Proportional to 282,839.94, 390,403.49 and 186,118.38
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Solution
The fourth proportional to 282,839.94, 390,403.49 and 186,118.38 is: 256,898.88
Step by Step Solution
- Step 1: Write the proportion equation
282,839.94 : 390,403.49 = 186,118.38 : x - Step 2: Convert to fraction form
282,839.94/390,403.49 = 186,118.38/x - Step 3: Cross multiply
282,839.94x = 390,403.49 × 186,118.38 - Step 4: Simplify right side
282,839.94x = 72,661,264,174.55 - Step 5: Solve for x
x = 72,661,264,174.55/282,839.94 - Step 6: Final answer
x = 256,898.88
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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.