Finding the Fourth Proportional to 276,091.70, 414,526.35 and 171,115.70
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Solution
The fourth proportional to 276,091.70, 414,526.35 and 171,115.70 is: 256,914.52
Step by Step Solution
- Step 1: Write the proportion equation
276,091.70 : 414,526.35 = 171,115.70 : x - Step 2: Convert to fraction form
276,091.70/414,526.35 = 171,115.70/x - Step 3: Cross multiply
276,091.70x = 414,526.35 × 171,115.70 - Step 4: Simplify right side
276,091.70x = 70,931,966,548.70 - Step 5: Solve for x
x = 70,931,966,548.70/276,091.70 - Step 6: Final answer
x = 256,914.52
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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.