Finding the Fourth Proportional to 439,459.41, 658,661.73 and 226,327.62
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Solution
The fourth proportional to 439,459.41, 658,661.73 and 226,327.62 is: 339,219.82
Step by Step Solution
- Step 1: Write the proportion equation
439,459.41 : 658,661.73 = 226,327.62 : x - Step 2: Convert to fraction form
439,459.41/658,661.73 = 226,327.62/x - Step 3: Cross multiply
439,459.41x = 658,661.73 × 226,327.62 - Step 4: Simplify right side
439,459.41x = 149,073,341,735.98 - Step 5: Solve for x
x = 149,073,341,735.98/439,459.41 - Step 6: Final answer
x = 339,219.82
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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.