Finding the Fourth Proportional to 488,312.68, 732,942.44 and 235,771.28
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Solution
The fourth proportional to 488,312.68, 732,942.44 and 235,771.28 is: 353,885.50
Step by Step Solution
- Step 1: Write the proportion equation
488,312.68 : 732,942.44 = 235,771.28 : x - Step 2: Convert to fraction form
488,312.68/732,942.44 = 235,771.28/x - Step 3: Cross multiply
488,312.68x = 732,942.44 × 235,771.28 - Step 4: Simplify right side
488,312.68x = 172,806,777,245.12 - Step 5: Solve for x
x = 172,806,777,245.12/488,312.68 - Step 6: Final answer
x = 353,885.50
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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.