Finding the Fourth Proportional to 281,739.24, 423,135.36 and 248,017.32
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Solution
The fourth proportional to 281,739.24, 423,135.36 and 248,017.32 is: 372,489.46
Step by Step Solution
- Step 1: Write the proportion equation
281,739.24 : 423,135.36 = 248,017.32 : x - Step 2: Convert to fraction form
281,739.24/423,135.36 = 248,017.32/x - Step 3: Cross multiply
281,739.24x = 423,135.36 × 248,017.32 - Step 4: Simplify right side
281,739.24x = 104,944,897,984.44 - Step 5: Solve for x
x = 104,944,897,984.44/281,739.24 - Step 6: Final answer
x = 372,489.46
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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.