Finding the Fourth Proportional to 367,046.05, 550,405.05 and 142,331.80
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Solution
The fourth proportional to 367,046.05, 550,405.05 and 142,331.80 is: 213,434.09
Step by Step Solution
- Step 1: Write the proportion equation
367,046.05 : 550,405.05 = 142,331.80 : x - Step 2: Convert to fraction form
367,046.05/550,405.05 = 142,331.80/x - Step 3: Cross multiply
367,046.05x = 550,405.05 × 142,331.80 - Step 4: Simplify right side
367,046.05x = 78,340,141,495.59 - Step 5: Solve for x
x = 78,340,141,495.59/367,046.05 - Step 6: Final answer
x = 213,434.09
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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.