Finding the Fourth Proportional to 162,828.08, 224,722.68 and 99,175.12
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Solution
The fourth proportional to 162,828.08, 224,722.68 and 99,175.12 is: 136,873.80
Step by Step Solution
- Step 1: Write the proportion equation
162,828.08 : 224,722.68 = 99,175.12 : x - Step 2: Convert to fraction form
162,828.08/224,722.68 = 99,175.12/x - Step 3: Cross multiply
162,828.08x = 224,722.68 × 99,175.12 - Step 4: Simplify right side
162,828.08x = 22,286,898,755.72 - Step 5: Solve for x
x = 22,286,898,755.72/162,828.08 - Step 6: Final answer
x = 136,873.80
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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.