Finding the Fourth Proportional to 320,690.14, 481,201.21 and 232,670.14
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Solution
The fourth proportional to 320,690.14, 481,201.21 and 232,670.14 is: 349,125.65
Step by Step Solution
- Step 1: Write the proportion equation
320,690.14 : 481,201.21 = 232,670.14 : x - Step 2: Convert to fraction form
320,690.14/481,201.21 = 232,670.14/x - Step 3: Cross multiply
320,690.14x = 481,201.21 × 232,670.14 - Step 4: Simplify right side
320,690.14x = 111,961,152,898.87 - Step 5: Solve for x
x = 111,961,152,898.87/320,690.14 - Step 6: Final answer
x = 349,125.65
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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.