Finding the Fourth Proportional to 362,021.70, 543,032.55 and 125,285.70
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Solution
The fourth proportional to 362,021.70, 543,032.55 and 125,285.70 is: 187,928.55
Step by Step Solution
- Step 1: Write the proportion equation
362,021.70 : 543,032.55 = 125,285.70 : x - Step 2: Convert to fraction form
362,021.70/543,032.55 = 125,285.70/x - Step 3: Cross multiply
362,021.70x = 543,032.55 × 125,285.70 - Step 4: Simplify right side
362,021.70x = 68,034,213,149.54 - Step 5: Solve for x
x = 68,034,213,149.54/362,021.70 - Step 6: Final answer
x = 187,928.55
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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.