Finding the Fourth Proportional to 528,043.80, 792,065.70 and 248,107.80
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Solution
The fourth proportional to 528,043.80, 792,065.70 and 248,107.80 is: 372,161.70
Step by Step Solution
- Step 1: Write the proportion equation
528,043.80 : 792,065.70 = 248,107.80 : x - Step 2: Convert to fraction form
528,043.80/792,065.70 = 248,107.80/x - Step 3: Cross multiply
528,043.80x = 792,065.70 × 248,107.80 - Step 4: Simplify right side
528,043.80x = 196,517,678,282.46 - Step 5: Solve for x
x = 196,517,678,282.46/528,043.80 - Step 6: Final answer
x = 372,161.70
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1.5x scale
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.