Finding the Fourth Proportional to 197,692.68, 272,816.26 and 110,477.78
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Solution
The fourth proportional to 197,692.68, 272,816.26 and 110,477.78 is: 152,459.54
Step by Step Solution
- Step 1: Write the proportion equation
197,692.68 : 272,816.26 = 110,477.78 : x - Step 2: Convert to fraction form
197,692.68/272,816.26 = 110,477.78/x - Step 3: Cross multiply
197,692.68x = 272,816.26 × 110,477.78 - Step 4: Simplify right side
197,692.68x = 30,140,134,752.70 - Step 5: Solve for x
x = 30,140,134,752.70/197,692.68 - Step 6: Final answer
x = 152,459.54
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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.