Finding the Fourth Proportional to 276,899.41, 415,358.23 and 77,202.92
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Solution
The fourth proportional to 276,899.41, 415,358.23 and 77,202.92 is: 115,806.92
Step by Step Solution
- Step 1: Write the proportion equation
276,899.41 : 415,358.23 = 77,202.92 : x - Step 2: Convert to fraction form
276,899.41/415,358.23 = 77,202.92/x - Step 3: Cross multiply
276,899.41x = 415,358.23 × 77,202.92 - Step 4: Simplify right side
276,899.41x = 32,066,869,192.18 - Step 5: Solve for x
x = 32,066,869,192.18/276,899.41 - Step 6: Final answer
x = 115,806.92
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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.