Finding the Fourth Proportional to 276,428.88, 414,610.43 and 162,644.74
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Solution
The fourth proportional to 276,428.88, 414,610.43 and 162,644.74 is: 243,947.75
Step by Step Solution
- Step 1: Write the proportion equation
276,428.88 : 414,610.43 = 162,644.74 : x - Step 2: Convert to fraction form
276,428.88/414,610.43 = 162,644.74/x - Step 3: Cross multiply
276,428.88x = 414,610.43 × 162,644.74 - Step 4: Simplify right side
276,428.88x = 67,434,203,738.89 - Step 5: Solve for x
x = 67,434,203,738.89/276,428.88 - Step 6: Final answer
x = 243,947.75
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1.5x scale
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.