Finding the Fourth Proportional to 276,828.46, 382,023.18 and 149,504.08
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Solution
The fourth proportional to 276,828.46, 382,023.18 and 149,504.08 is: 206,315.58
Step by Step Solution
- Step 1: Write the proportion equation
276,828.46 : 382,023.18 = 149,504.08 : x - Step 2: Convert to fraction form
276,828.46/382,023.18 = 149,504.08/x - Step 3: Cross multiply
276,828.46x = 382,023.18 × 149,504.08 - Step 4: Simplify right side
276,828.46x = 57,114,024,064.57 - Step 5: Solve for x
x = 57,114,024,064.57/276,828.46 - Step 6: Final answer
x = 206,315.58
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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.