Finding the Fourth Proportional to 224,031.21, 336,010.36 and 90,906.09
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Solution
The fourth proportional to 224,031.21, 336,010.36 and 90,906.09 is: 136,344.34
Step by Step Solution
- Step 1: Write the proportion equation
224,031.21 : 336,010.36 = 90,906.09 : x - Step 2: Convert to fraction form
224,031.21/336,010.36 = 90,906.09/x - Step 3: Cross multiply
224,031.21x = 336,010.36 × 90,906.09 - Step 4: Simplify right side
224,031.21x = 30,545,388,027.09 - Step 5: Solve for x
x = 30,545,388,027.09/224,031.21 - Step 6: Final answer
x = 136,344.34
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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.