Finding the Fourth Proportional to 157,876.56, 236,964.59 and 97,723.09
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Solution
The fourth proportional to 157,876.56, 236,964.59 and 97,723.09 is: 146,677.33
Step by Step Solution
- Step 1: Write the proportion equation
157,876.56 : 236,964.59 = 97,723.09 : x - Step 2: Convert to fraction form
157,876.56/236,964.59 = 97,723.09/x - Step 3: Cross multiply
157,876.56x = 236,964.59 × 97,723.09 - Step 4: Simplify right side
157,876.56x = 23,156,912,129.44 - Step 5: Solve for x
x = 23,156,912,129.44/157,876.56 - Step 6: Final answer
x = 146,677.33
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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.