Finding the Fourth Proportional to 420,452.36, 630,660.48 and 195,735.68
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Solution
The fourth proportional to 420,452.36, 630,660.48 and 195,735.68 is: 293,595.11
Step by Step Solution
- Step 1: Write the proportion equation
420,452.36 : 630,660.48 = 195,735.68 : x - Step 2: Convert to fraction form
420,452.36/630,660.48 = 195,735.68/x - Step 3: Cross multiply
420,452.36x = 630,660.48 × 195,735.68 - Step 4: Simplify right side
420,452.36x = 123,442,757,901.93 - Step 5: Solve for x
x = 123,442,757,901.93/420,452.36 - Step 6: Final answer
x = 293,595.11
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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.