Finding the Fourth Proportional to 318,267.21, 439,198.70 and 175,026.81
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Solution
The fourth proportional to 318,267.21, 439,198.70 and 175,026.81 is: 241,531.47
Step by Step Solution
- Step 1: Write the proportion equation
318,267.21 : 439,198.70 = 175,026.81 : x - Step 2: Convert to fraction form
318,267.21/439,198.70 = 175,026.81/x - Step 3: Cross multiply
318,267.21x = 439,198.70 × 175,026.81 - Step 4: Simplify right side
318,267.21x = 76,871,546,542.01 - Step 5: Solve for x
x = 76,871,546,542.01/318,267.21 - Step 6: Final answer
x = 241,531.47
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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.