Finding the Fourth Proportional to 489,550.99, 734,160.13 and 169,628.20
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Solution
The fourth proportional to 489,550.99, 734,160.13 and 169,628.20 is: 254,384.66
Step by Step Solution
- Step 1: Write the proportion equation
489,550.99 : 734,160.13 = 169,628.20 : x - Step 2: Convert to fraction form
489,550.99/734,160.13 = 169,628.20/x - Step 3: Cross multiply
489,550.99x = 734,160.13 × 169,628.20 - Step 4: Simplify right side
489,550.99x = 124,534,261,363.67 - Step 5: Solve for x
x = 124,534,261,363.67/489,550.99 - Step 6: Final answer
x = 254,384.66
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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.