Finding the Fourth Proportional to 361,992.96, 542,201.76 and 243,136.80
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Solution
The fourth proportional to 361,992.96, 542,201.76 and 243,136.80 is: 364,176.15
Step by Step Solution
- Step 1: Write the proportion equation
361,992.96 : 542,201.76 = 243,136.80 : x - Step 2: Convert to fraction form
361,992.96/542,201.76 = 243,136.80/x - Step 3: Cross multiply
361,992.96x = 542,201.76 × 243,136.80 - Step 4: Simplify right side
361,992.96x = 131,829,200,880.77 - Step 5: Solve for x
x = 131,829,200,880.77/361,992.96 - Step 6: Final answer
x = 364,176.15
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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.