Finding the Fourth Proportional to 162,334.68, 224,021.49 and 90,714.71
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Solution
The fourth proportional to 162,334.68, 224,021.49 and 90,714.71 is: 125,186.09
Step by Step Solution
- Step 1: Write the proportion equation
162,334.68 : 224,021.49 = 90,714.71 : x - Step 2: Convert to fraction form
162,334.68/224,021.49 = 90,714.71/x - Step 3: Cross multiply
162,334.68x = 224,021.49 × 90,714.71 - Step 4: Simplify right side
162,334.68x = 20,322,044,499.12 - Step 5: Solve for x
x = 20,322,044,499.12/162,334.68 - Step 6: Final answer
x = 125,186.09
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1.5x scale
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.