Finding the Fourth Proportional to 276,098.97, 414,157.77 and 76,402.74
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Solution
The fourth proportional to 276,098.97, 414,157.77 and 76,402.74 is: 114,606.69
Step by Step Solution
- Step 1: Write the proportion equation
276,098.97 : 414,157.77 = 76,402.74 : x - Step 2: Convert to fraction form
276,098.97/414,157.77 = 76,402.74/x - Step 3: Cross multiply
276,098.97x = 414,157.77 × 76,402.74 - Step 4: Simplify right side
276,098.97x = 31,642,788,420.29 - Step 5: Solve for x
x = 31,642,788,420.29/276,098.97 - Step 6: Final answer
x = 114,606.69
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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.