Finding the Fourth Proportional to 474,680.28, 654,948.68 and 280,990.44
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Solution
The fourth proportional to 474,680.28, 654,948.68 and 280,990.44 is: 387,701.63
Step by Step Solution
- Step 1: Write the proportion equation
474,680.28 : 654,948.68 = 280,990.44 : x - Step 2: Convert to fraction form
474,680.28/654,948.68 = 280,990.44/x - Step 3: Cross multiply
474,680.28x = 654,948.68 × 280,990.44 - Step 4: Simplify right side
474,680.28x = 184,034,317,770.62 - Step 5: Solve for x
x = 184,034,317,770.62/474,680.28 - Step 6: Final answer
x = 387,701.63
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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.