Finding the Fourth Proportional to 276,325.24, 414,487.82 and 76,645.63
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Solution
The fourth proportional to 276,325.24, 414,487.82 and 76,645.63 is: 114,968.43
Step by Step Solution
- Step 1: Write the proportion equation
276,325.24 : 414,487.82 = 76,645.63 : x - Step 2: Convert to fraction form
276,325.24/414,487.82 = 76,645.63/x - Step 3: Cross multiply
276,325.24x = 414,487.82 × 76,645.63 - Step 4: Simplify right side
276,325.24x = 31,768,680,091.23 - Step 5: Solve for x
x = 31,768,680,091.23/276,325.24 - Step 6: Final answer
x = 114,968.43
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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.