Finding the Fourth Proportional to 455,545.08, 628,624.44 and 274,315.68
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Solution
The fourth proportional to 455,545.08, 628,624.44 and 274,315.68 is: 378,538.92
Step by Step Solution
- Step 1: Write the proportion equation
455,545.08 : 628,624.44 = 274,315.68 : x - Step 2: Convert to fraction form
455,545.08/628,624.44 = 274,315.68/x - Step 3: Cross multiply
455,545.08x = 628,624.44 × 274,315.68 - Step 4: Simplify right side
455,545.08x = 172,441,540,723.22 - Step 5: Solve for x
x = 172,441,540,723.22/455,545.08 - Step 6: Final answer
x = 378,538.92
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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.