Finding the Fourth Proportional to 342,117.70, 513,176.55 and 202,149.70
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Solution
The fourth proportional to 342,117.70, 513,176.55 and 202,149.70 is: 303,224.55
Step by Step Solution
- Step 1: Write the proportion equation
342,117.70 : 513,176.55 = 202,149.70 : x - Step 2: Convert to fraction form
342,117.70/513,176.55 = 202,149.70/x - Step 3: Cross multiply
342,117.70x = 513,176.55 × 202,149.70 - Step 4: Simplify right side
342,117.70x = 103,738,485,629.54 - Step 5: Solve for x
x = 103,738,485,629.54/342,117.70 - Step 6: Final answer
x = 303,224.55
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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.