Finding the Fourth Proportional to 451,551.42, 623,133.74 and 247,604.10
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Solution
The fourth proportional to 451,551.42, 623,133.74 and 247,604.10 is: 341,689.70
Step by Step Solution
- Step 1: Write the proportion equation
451,551.42 : 623,133.74 = 247,604.10 : x - Step 2: Convert to fraction form
451,551.42/623,133.74 = 247,604.10/x - Step 3: Cross multiply
451,551.42x = 623,133.74 × 247,604.10 - Step 4: Simplify right side
451,551.42x = 154,290,470,659.72 - Step 5: Solve for x
x = 154,290,470,659.72/451,551.42 - Step 6: Final answer
x = 341,689.70
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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.