Finding the Fourth Proportional to 382,952.12, 572,828.19 and 269,091.95
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Solution
The fourth proportional to 382,952.12, 572,828.19 and 269,091.95 is: 402,513.65
Step by Step Solution
- Step 1: Write the proportion equation
382,952.12 : 572,828.19 = 269,091.95 : x - Step 2: Convert to fraction form
382,952.12/572,828.19 = 269,091.95/x - Step 3: Cross multiply
382,952.12x = 572,828.19 × 269,091.95 - Step 4: Simplify right side
382,952.12x = 154,143,454,662.07 - Step 5: Solve for x
x = 154,143,454,662.07/382,952.12 - Step 6: Final answer
x = 402,513.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.