Finding the Fourth Proportional to 354,707.19, 489,506.33 and 193,572.63
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Solution
The fourth proportional to 354,707.19, 489,506.33 and 193,572.63 is: 267,135.91
Step by Step Solution
- Step 1: Write the proportion equation
354,707.19 : 489,506.33 = 193,572.63 : x - Step 2: Convert to fraction form
354,707.19/489,506.33 = 193,572.63/x - Step 3: Cross multiply
354,707.19x = 489,506.33 × 193,572.63 - Step 4: Simplify right side
354,707.19x = 94,755,028,183.68 - Step 5: Solve for x
x = 94,755,028,183.68/354,707.19 - Step 6: Final answer
x = 267,135.91
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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.