Finding the Fourth Proportional to 324,397.50, 486,700.53 and 155,930.05
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Solution
The fourth proportional to 324,397.50, 486,700.53 and 155,930.05 is: 233,945.20
Step by Step Solution
- Step 1: Write the proportion equation
324,397.50 : 486,700.53 = 155,930.05 : x - Step 2: Convert to fraction form
324,397.50/486,700.53 = 155,930.05/x - Step 3: Cross multiply
324,397.50x = 486,700.53 × 155,930.05 - Step 4: Simplify right side
324,397.50x = 75,891,237,977.93 - Step 5: Solve for x
x = 75,891,237,977.93/324,397.50 - Step 6: Final answer
x = 233,945.20
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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.