Finding the Fourth Proportional to 489,921.95, 676,102.97 and 269,162.08
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Solution
The fourth proportional to 489,921.95, 676,102.97 and 269,162.08 is: 371,449.54
Step by Step Solution
- Step 1: Write the proportion equation
489,921.95 : 676,102.97 = 269,162.08 : x - Step 2: Convert to fraction form
489,921.95/676,102.97 = 269,162.08/x - Step 3: Cross multiply
489,921.95x = 676,102.97 × 269,162.08 - Step 4: Simplify right side
489,921.95x = 181,981,280,682.03 - Step 5: Solve for x
x = 181,981,280,682.03/489,921.95 - Step 6: Final answer
x = 371,449.54
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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.