Finding the Fourth Proportional to 142,454.40, 213,671.52 and 48,958.08
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Solution
The fourth proportional to 142,454.40, 213,671.52 and 48,958.08 is: 73,433.66
Step by Step Solution
- Step 1: Write the proportion equation
142,454.40 : 213,671.52 = 48,958.08 : x - Step 2: Convert to fraction form
142,454.40/213,671.52 = 48,958.08/x - Step 3: Cross multiply
142,454.40x = 213,671.52 × 48,958.08 - Step 4: Simplify right side
142,454.40x = 10,460,947,369.88 - Step 5: Solve for x
x = 10,460,947,369.88/142,454.40 - Step 6: Final answer
x = 73,433.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.