Finding the Fourth Proportional to 304,910.18, 457,282.65 and 127,380.05
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Solution
The fourth proportional to 304,910.18, 457,282.65 and 127,380.05 is: 191,035.56
Step by Step Solution
- Step 1: Write the proportion equation
304,910.18 : 457,282.65 = 127,380.05 : x - Step 2: Convert to fraction form
304,910.18/457,282.65 = 127,380.05/x - Step 3: Cross multiply
304,910.18x = 457,282.65 × 127,380.05 - Step 4: Simplify right side
304,910.18x = 58,248,686,821.13 - Step 5: Solve for x
x = 58,248,686,821.13/304,910.18 - Step 6: Final answer
x = 191,035.56
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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.