Finding the Fourth Proportional to 489,551.49, 734,160.88 and 169,628.70
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Solution
The fourth proportional to 489,551.49, 734,160.88 and 169,628.70 is: 254,385.41
Step by Step Solution
- Step 1: Write the proportion equation
489,551.49 : 734,160.88 = 169,628.70 : x - Step 2: Convert to fraction form
489,551.49/734,160.88 = 169,628.70/x - Step 3: Cross multiply
489,551.49x = 734,160.88 × 169,628.70 - Step 4: Simplify right side
489,551.49x = 124,534,755,665.26 - Step 5: Solve for x
x = 124,534,755,665.26/489,551.49 - Step 6: Final answer
x = 254,385.41
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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.