Finding the Fourth Proportional to 354,565.07, 489,322.92 and 201,617.49
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Solution
The fourth proportional to 354,565.07, 489,322.92 and 201,617.49 is: 278,245.29
Step by Step Solution
- Step 1: Write the proportion equation
354,565.07 : 489,322.92 = 201,617.49 : x - Step 2: Convert to fraction form
354,565.07/489,322.92 = 201,617.49/x - Step 3: Cross multiply
354,565.07x = 489,322.92 × 201,617.49 - Step 4: Simplify right side
354,565.07x = 98,656,058,929.87 - Step 5: Solve for x
x = 98,656,058,929.87/354,565.07 - Step 6: Final answer
x = 278,245.29
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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.