Finding the Fourth Proportional to 451,250.57, 622,743.05 and 257,689.87
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Solution
The fourth proportional to 451,250.57, 622,743.05 and 257,689.87 is: 355,621.88
Step by Step Solution
- Step 1: Write the proportion equation
451,250.57 : 622,743.05 = 257,689.87 : x - Step 2: Convert to fraction form
451,250.57/622,743.05 = 257,689.87/x - Step 3: Cross multiply
451,250.57x = 622,743.05 × 257,689.87 - Step 4: Simplify right side
451,250.57x = 160,474,575,597.90 - Step 5: Solve for x
x = 160,474,575,597.90/451,250.57 - Step 6: Final answer
x = 355,621.88
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.