Finding the Fourth Proportional to 320,245.79, 479,980.26 and 235,217.53
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Solution
The fourth proportional to 320,245.79, 479,980.26 and 235,217.53 is: 352,541.00
Step by Step Solution
- Step 1: Write the proportion equation
320,245.79 : 479,980.26 = 235,217.53 : x - Step 2: Convert to fraction form
320,245.79/479,980.26 = 235,217.53/x - Step 3: Cross multiply
320,245.79x = 479,980.26 × 235,217.53 - Step 4: Simplify right side
320,245.79x = 112,899,771,205.96 - Step 5: Solve for x
x = 112,899,771,205.96/320,245.79 - Step 6: Final answer
x = 352,541.00
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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.