Finding the Fourth Proportional to 440,811.51, 608,319.35 and 257,057.49
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Solution
The fourth proportional to 440,811.51, 608,319.35 and 257,057.49 is: 354,739.03
Step by Step Solution
- Step 1: Write the proportion equation
440,811.51 : 608,319.35 = 257,057.49 : x - Step 2: Convert to fraction form
440,811.51/608,319.35 = 257,057.49/x - Step 3: Cross multiply
440,811.51x = 608,319.35 × 257,057.49 - Step 4: Simplify right side
440,811.51x = 156,373,047,189.31 - Step 5: Solve for x
x = 156,373,047,189.31/440,811.51 - Step 6: Final answer
x = 354,739.03
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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.