Finding the Fourth Proportional to 354,416.01, 489,083.29 and 201,470.91
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Solution
The fourth proportional to 354,416.01, 489,083.29 and 201,470.91 is: 278,023.71
Step by Step Solution
- Step 1: Write the proportion equation
354,416.01 : 489,083.29 = 201,470.91 : x - Step 2: Convert to fraction form
354,416.01/489,083.29 = 201,470.91/x - Step 3: Cross multiply
354,416.01x = 489,083.29 × 201,470.91 - Step 4: Simplify right side
354,416.01x = 98,536,055,502.09 - Step 5: Solve for x
x = 98,536,055,502.09/354,416.01 - Step 6: Final answer
x = 278,023.71
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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.