Finding the Fourth Proportional to 356,403.68, 534,685.20 and 119,739.84
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Solution
The fourth proportional to 356,403.68, 534,685.20 and 119,739.84 is: 179,636.53
Step by Step Solution
- Step 1: Write the proportion equation
356,403.68 : 534,685.20 = 119,739.84 : x - Step 2: Convert to fraction form
356,403.68/534,685.20 = 119,739.84/x - Step 3: Cross multiply
356,403.68x = 534,685.20 × 119,739.84 - Step 4: Simplify right side
356,403.68x = 64,023,120,298.37 - Step 5: Solve for x
x = 64,023,120,298.37/356,403.68 - Step 6: Final answer
x = 179,636.53
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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.