Finding the Fourth Proportional to 354,739.80, 489,542.30 and 193,598.44
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Solution
The fourth proportional to 354,739.80, 489,542.30 and 193,598.44 is: 267,166.59
Step by Step Solution
- Step 1: Write the proportion equation
354,739.80 : 489,542.30 = 193,598.44 : x - Step 2: Convert to fraction form
354,739.80/489,542.30 = 193,598.44/x - Step 3: Cross multiply
354,739.80x = 489,542.30 × 193,598.44 - Step 4: Simplify right side
354,739.80x = 94,774,624,128.16 - Step 5: Solve for x
x = 94,774,624,128.16/354,739.80 - Step 6: Final answer
x = 267,166.59
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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.