Finding the Fourth Proportional to 356,491.20, 534,717.12 and 119,809.44
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Solution
The fourth proportional to 356,491.20, 534,717.12 and 119,809.44 is: 179,707.55
Step by Step Solution
- Step 1: Write the proportion equation
356,491.20 : 534,717.12 = 119,809.44 : x - Step 2: Convert to fraction form
356,491.20/534,717.12 = 119,809.44/x - Step 3: Cross multiply
356,491.20x = 534,717.12 × 119,809.44 - Step 4: Simplify right side
356,491.20x = 64,064,158,705.61 - Step 5: Solve for x
x = 64,064,158,705.61/356,491.20 - Step 6: Final answer
x = 179,707.55
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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.