Finding the Fourth Proportional to 320,690.40, 481,201.58 and 232,670.40
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Solution
The fourth proportional to 320,690.40, 481,201.58 and 232,670.40 is: 349,126.02
Step by Step Solution
- Step 1: Write the proportion equation
320,690.40 : 481,201.58 = 232,670.40 : x - Step 2: Convert to fraction form
320,690.40/481,201.58 = 232,670.40/x - Step 3: Cross multiply
320,690.40x = 481,201.58 × 232,670.40 - Step 4: Simplify right side
320,690.40x = 111,961,364,099.23 - Step 5: Solve for x
x = 111,961,364,099.23/320,690.40 - Step 6: Final answer
x = 349,126.02
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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.