Finding the Fourth Proportional to 547,545.74, 755,605.08 and 305,831.84
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Solution
The fourth proportional to 547,545.74, 755,605.08 and 305,831.84 is: 422,043.44
Step by Step Solution
- Step 1: Write the proportion equation
547,545.74 : 755,605.08 = 305,831.84 : x - Step 2: Convert to fraction form
547,545.74/755,605.08 = 305,831.84/x - Step 3: Cross multiply
547,545.74x = 755,605.08 × 305,831.84 - Step 4: Simplify right side
547,545.74x = 231,088,088,511.58 - Step 5: Solve for x
x = 231,088,088,511.58/547,545.74 - Step 6: Final answer
x = 422,043.44
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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.