Finding the Fourth Proportional to 158,226.96, 218,373.36 and 103,824.96
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Solution
The fourth proportional to 158,226.96, 218,373.36 and 103,824.96 is: 143,291.67
Step by Step Solution
- Step 1: Write the proportion equation
158,226.96 : 218,373.36 = 103,824.96 : x - Step 2: Convert to fraction form
158,226.96/218,373.36 = 103,824.96/x - Step 3: Cross multiply
158,226.96x = 218,373.36 × 103,824.96 - Step 4: Simplify right side
158,226.96x = 22,672,605,367.07 - Step 5: Solve for x
x = 22,672,605,367.07/158,226.96 - Step 6: Final answer
x = 143,291.67
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.