Finding the Fourth Proportional to 220,484.84, 304,311.33 and 124,991.91
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Solution
The fourth proportional to 220,484.84, 304,311.33 and 124,991.91 is: 172,512.79
Step by Step Solution
- Step 1: Write the proportion equation
220,484.84 : 304,311.33 = 124,991.91 : x - Step 2: Convert to fraction form
220,484.84/304,311.33 = 124,991.91/x - Step 3: Cross multiply
220,484.84x = 304,311.33 × 124,991.91 - Step 4: Simplify right side
220,484.84x = 38,036,454,371.34 - Step 5: Solve for x
x = 38,036,454,371.34/220,484.84 - Step 6: Final answer
x = 172,512.79
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.