Finding the Fourth Proportional to 489,575.51, 734,207.73 and 157,073.75
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Solution
The fourth proportional to 489,575.51, 734,207.73 and 157,073.75 is: 235,560.72
Step by Step Solution
- Step 1: Write the proportion equation
489,575.51 : 734,207.73 = 157,073.75 : x - Step 2: Convert to fraction form
489,575.51/734,207.73 = 157,073.75/x - Step 3: Cross multiply
489,575.51x = 734,207.73 × 157,073.75 - Step 4: Simplify right side
489,575.51x = 115,324,761,430.09 - Step 5: Solve for x
x = 115,324,761,430.09/489,575.51 - Step 6: Final answer
x = 235,560.72
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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.