Finding the Fourth Proportional to 157,304.13, 235,516.49 and 84,997.98
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Solution
The fourth proportional to 157,304.13, 235,516.49 and 84,997.98 is: 127,259.38
Step by Step Solution
- Step 1: Write the proportion equation
157,304.13 : 235,516.49 = 84,997.98 : x - Step 2: Convert to fraction form
157,304.13/235,516.49 = 84,997.98/x - Step 3: Cross multiply
157,304.13x = 235,516.49 × 84,997.98 - Step 4: Simplify right side
157,304.13x = 20,018,425,481.70 - Step 5: Solve for x
x = 20,018,425,481.70/157,304.13 - Step 6: Final answer
x = 127,259.38
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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.