Finding the Fourth Proportional to 403,416.20, 604,202.70 and 237,528.20
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Solution
The fourth proportional to 403,416.20, 604,202.70 and 237,528.20 is: 355,749.67
Step by Step Solution
- Step 1: Write the proportion equation
403,416.20 : 604,202.70 = 237,528.20 : x - Step 2: Convert to fraction form
403,416.20/604,202.70 = 237,528.20/x - Step 3: Cross multiply
403,416.20x = 604,202.70 × 237,528.20 - Step 4: Simplify right side
403,416.20x = 143,515,179,766.14 - Step 5: Solve for x
x = 143,515,179,766.14/403,416.20 - Step 6: Final answer
x = 355,749.67
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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.