Finding the Fourth Proportional to 319,113.52, 440,522.18 and 227,291.92
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Solution
The fourth proportional to 319,113.52, 440,522.18 and 227,291.92 is: 313,766.50
Step by Step Solution
- Step 1: Write the proportion equation
319,113.52 : 440,522.18 = 227,291.92 : x - Step 2: Convert to fraction form
319,113.52/440,522.18 = 227,291.92/x - Step 3: Cross multiply
319,113.52x = 440,522.18 × 227,291.92 - Step 4: Simplify right side
319,113.52x = 100,127,130,709.37 - Step 5: Solve for x
x = 100,127,130,709.37/319,113.52 - Step 6: Final answer
x = 313,766.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.