Finding the Fourth Proportional to 408,155.67, 612,239.73 and 155,450.19
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Solution
The fourth proportional to 408,155.67, 612,239.73 and 155,450.19 is: 233,177.66
Step by Step Solution
- Step 1: Write the proportion equation
408,155.67 : 612,239.73 = 155,450.19 : x - Step 2: Convert to fraction form
408,155.67/612,239.73 = 155,450.19/x - Step 3: Cross multiply
408,155.67x = 612,239.73 × 155,450.19 - Step 4: Simplify right side
408,155.67x = 95,172,782,354.05 - Step 5: Solve for x
x = 95,172,782,354.05/408,155.67 - Step 6: Final answer
x = 233,177.66
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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.