Finding the Fourth Proportional to 158,463.36, 237,609.18 and 69,612.84
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Solution
The fourth proportional to 158,463.36, 237,609.18 and 69,612.84 is: 104,381.54
Step by Step Solution
- Step 1: Write the proportion equation
158,463.36 : 237,609.18 = 69,612.84 : x - Step 2: Convert to fraction form
158,463.36/237,609.18 = 69,612.84/x - Step 3: Cross multiply
158,463.36x = 237,609.18 × 69,612.84 - Step 4: Simplify right side
158,463.36x = 16,540,649,829.87 - Step 5: Solve for x
x = 16,540,649,829.87/158,463.36 - Step 6: Final answer
x = 104,381.54
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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.