Finding the Fourth Proportional to 367,328.51, 550,888.41 and 142,640.99
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Solution
The fourth proportional to 367,328.51, 550,888.41 and 142,640.99 is: 213,920.96
Step by Step Solution
- Step 1: Write the proportion equation
367,328.51 : 550,888.41 = 142,640.99 : x - Step 2: Convert to fraction form
367,328.51/550,888.41 = 142,640.99/x - Step 3: Cross multiply
367,328.51x = 550,888.41 × 142,640.99 - Step 4: Simplify right side
367,328.51x = 78,579,265,427.48 - Step 5: Solve for x
x = 78,579,265,427.48/367,328.51 - Step 6: Final answer
x = 213,920.96
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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.