Finding the Fourth Proportional to 608,390.71, 839,325.49 and 350,205.88
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Solution
The fourth proportional to 608,390.71, 839,325.49 and 350,205.88 is: 483,138.08
Step by Step Solution
- Step 1: Write the proportion equation
608,390.71 : 839,325.49 = 350,205.88 : x - Step 2: Convert to fraction form
608,390.71/839,325.49 = 350,205.88/x - Step 3: Cross multiply
608,390.71x = 839,325.49 × 350,205.88 - Step 4: Simplify right side
608,390.71x = 293,936,715,884.22 - Step 5: Solve for x
x = 293,936,715,884.22/608,390.71 - Step 6: Final answer
x = 483,138.08
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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.