Finding the Fourth Proportional to 510,589.08, 765,912.41 and 155,614.68
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Solution
The fourth proportional to 510,589.08, 765,912.41 and 155,614.68 is: 233,430.79
Step by Step Solution
- Step 1: Write the proportion equation
510,589.08 : 765,912.41 = 155,614.68 : x - Step 2: Convert to fraction form
510,589.08/765,912.41 = 155,614.68/x - Step 3: Cross multiply
510,589.08x = 765,912.41 × 155,614.68 - Step 4: Simplify right side
510,589.08x = 119,187,214,590.18 - Step 5: Solve for x
x = 119,187,214,590.18/510,589.08 - Step 6: Final answer
x = 233,430.79
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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.