Finding the Fourth Proportional to 318,189.36, 439,102.97 and 174,958.63
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Solution
The fourth proportional to 318,189.36, 439,102.97 and 174,958.63 is: 241,443.82
Step by Step Solution
- Step 1: Write the proportion equation
318,189.36 : 439,102.97 = 174,958.63 : x - Step 2: Convert to fraction form
318,189.36/439,102.97 = 174,958.63/x - Step 3: Cross multiply
318,189.36x = 439,102.97 × 174,958.63 - Step 4: Simplify right side
318,189.36x = 76,824,854,060.13 - Step 5: Solve for x
x = 76,824,854,060.13/318,189.36 - Step 6: Final answer
x = 241,443.82
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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.