Finding the Fourth Proportional to 211,234.24, 316,443.07 and 117,455.68
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Solution
The fourth proportional to 211,234.24, 316,443.07 and 117,455.68 is: 175,956.49
Step by Step Solution
- Step 1: Write the proportion equation
211,234.24 : 316,443.07 = 117,455.68 : x - Step 2: Convert to fraction form
211,234.24/316,443.07 = 117,455.68/x - Step 3: Cross multiply
211,234.24x = 316,443.07 × 117,455.68 - Step 4: Simplify right side
211,234.24x = 37,168,035,968.14 - Step 5: Solve for x
x = 37,168,035,968.14/211,234.24 - Step 6: Final answer
x = 175,956.49
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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.