Finding the Fourth Proportional to 158,515.08, 218,383.20 and 110,692.68
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Solution
The fourth proportional to 158,515.08, 218,383.20 and 110,692.68 is: 152,499.19
Step by Step Solution
- Step 1: Write the proportion equation
158,515.08 : 218,383.20 = 110,692.68 : x - Step 2: Convert to fraction form
158,515.08/218,383.20 = 110,692.68/x - Step 3: Cross multiply
158,515.08x = 218,383.20 × 110,692.68 - Step 4: Simplify right side
158,515.08x = 24,173,421,674.98 - Step 5: Solve for x
x = 24,173,421,674.98/158,515.08 - Step 6: Final answer
x = 152,499.19
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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.