Finding the Fourth Proportional to 451,158.28, 622,598.58 and 247,207.55
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Solution
The fourth proportional to 451,158.28, 622,598.58 and 247,207.55 is: 341,146.49
Step by Step Solution
- Step 1: Write the proportion equation
451,158.28 : 622,598.58 = 247,207.55 : x - Step 2: Convert to fraction form
451,158.28/622,598.58 = 247,207.55/x - Step 3: Cross multiply
451,158.28x = 622,598.58 × 247,207.55 - Step 4: Simplify right side
451,158.28x = 153,911,065,787.02 - Step 5: Solve for x
x = 153,911,065,787.02/451,158.28 - Step 6: Final answer
x = 341,146.49
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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.