Finding the Fourth Proportional to 347,116.08, 520,739.28 and 157,589.75
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Solution
The fourth proportional to 347,116.08, 520,739.28 and 157,589.75 is: 236,414.21
Step by Step Solution
- Step 1: Write the proportion equation
347,116.08 : 520,739.28 = 157,589.75 : x - Step 2: Convert to fraction form
347,116.08/520,739.28 = 157,589.75/x - Step 3: Cross multiply
347,116.08x = 520,739.28 × 157,589.75 - Step 4: Simplify right side
347,116.08x = 82,063,174,252.23 - Step 5: Solve for x
x = 82,063,174,252.23/347,116.08 - Step 6: Final answer
x = 236,414.21
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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.