Finding the Fourth Proportional to 280,202.44, 386,680.62 and 152,880.70
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Solution
The fourth proportional to 280,202.44, 386,680.62 and 152,880.70 is: 210,976.05
Step by Step Solution
- Step 1: Write the proportion equation
280,202.44 : 386,680.62 = 152,880.70 : x - Step 2: Convert to fraction form
280,202.44/386,680.62 = 152,880.70/x - Step 3: Cross multiply
280,202.44x = 386,680.62 × 152,880.70 - Step 4: Simplify right side
280,202.44x = 59,116,003,862.03 - Step 5: Solve for x
x = 59,116,003,862.03/280,202.44 - Step 6: Final answer
x = 210,976.05
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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.