Finding the Fourth Proportional to 456,277.05, 684,187.16 and 140,692.95
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Solution
The fourth proportional to 456,277.05, 684,187.16 and 140,692.95 is: 210,968.99
Step by Step Solution
- Step 1: Write the proportion equation
456,277.05 : 684,187.16 = 140,692.95 : x - Step 2: Convert to fraction form
456,277.05/684,187.16 = 140,692.95/x - Step 3: Cross multiply
456,277.05x = 684,187.16 × 140,692.95 - Step 4: Simplify right side
456,277.05x = 96,260,309,189.06 - Step 5: Solve for x
x = 96,260,309,189.06/456,277.05 - Step 6: Final answer
x = 210,968.99
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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.