Finding the Fourth Proportional to 211,238.24, 316,449.08 and 117,459.68
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Solution
The fourth proportional to 211,238.24, 316,449.08 and 117,459.68 is: 175,962.49
Step by Step Solution
- Step 1: Write the proportion equation
211,238.24 : 316,449.08 = 117,459.68 : x - Step 2: Convert to fraction form
211,238.24/316,449.08 = 117,459.68/x - Step 3: Cross multiply
211,238.24x = 316,449.08 × 117,459.68 - Step 4: Simplify right side
211,238.24x = 37,170,007,673.09 - Step 5: Solve for x
x = 37,170,007,673.09/211,238.24 - Step 6: Final answer
x = 175,962.49
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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.