Finding the Fourth Proportional to 489,877.56, 734,979.96 and 190,367.91
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Solution
The fourth proportional to 489,877.56, 734,979.96 and 190,367.91 is: 285,615.45
Step by Step Solution
- Step 1: Write the proportion equation
489,877.56 : 734,979.96 = 190,367.91 : x - Step 2: Convert to fraction form
489,877.56/734,979.96 = 190,367.91/x - Step 3: Cross multiply
489,877.56x = 734,979.96 × 190,367.91 - Step 4: Simplify right side
489,877.56x = 139,916,598,877.08 - Step 5: Solve for x
x = 139,916,598,877.08/489,877.56 - Step 6: Final answer
x = 285,615.45
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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.