Finding the Fourth Proportional to 276,595.13, 415,242.89 and 169,716.53
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Solution
The fourth proportional to 276,595.13, 415,242.89 and 169,716.53 is: 254,789.67
Step by Step Solution
- Step 1: Write the proportion equation
276,595.13 : 415,242.89 = 169,716.53 : x - Step 2: Convert to fraction form
276,595.13/415,242.89 = 169,716.53/x - Step 3: Cross multiply
276,595.13x = 415,242.89 × 169,716.53 - Step 4: Simplify right side
276,595.13x = 70,473,579,473.17 - Step 5: Solve for x
x = 70,473,579,473.17/276,595.13 - Step 6: Final answer
x = 254,789.67
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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.