Finding the Fourth Proportional to 354,903.93, 489,744.62 and 193,758.63
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Solution
The fourth proportional to 354,903.93, 489,744.62 and 193,758.63 is: 267,374.45
Step by Step Solution
- Step 1: Write the proportion equation
354,903.93 : 489,744.62 = 193,758.63 : x - Step 2: Convert to fraction form
354,903.93/489,744.62 = 193,758.63/x - Step 3: Cross multiply
354,903.93x = 489,744.62 × 193,758.63 - Step 4: Simplify right side
354,903.93x = 94,892,243,815.74 - Step 5: Solve for x
x = 94,892,243,815.74/354,903.93 - Step 6: Final answer
x = 267,374.45
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1.5x scale
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.