Finding the Fourth Proportional to 412,640.91, 569,545.74 and 251,584.76
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Solution
The fourth proportional to 412,640.91, 569,545.74 and 251,584.76 is: 347,248.71
Step by Step Solution
- Step 1: Write the proportion equation
412,640.91 : 569,545.74 = 251,584.76 : x - Step 2: Convert to fraction form
412,640.91/569,545.74 = 251,584.76/x - Step 3: Cross multiply
412,640.91x = 569,545.74 × 251,584.76 - Step 4: Simplify right side
412,640.91x = 143,289,025,459.19 - Step 5: Solve for x
x = 143,289,025,459.19/412,640.91 - Step 6: Final answer
x = 347,248.71
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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.