Finding the Fourth Proportional to 272,800.87, 409,262.36 and 83,278.08
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Solution
The fourth proportional to 272,800.87, 409,262.36 and 83,278.08 is: 124,935.76
Step by Step Solution
- Step 1: Write the proportion equation
272,800.87 : 409,262.36 = 83,278.08 : x - Step 2: Convert to fraction form
272,800.87/409,262.36 = 83,278.08/x - Step 3: Cross multiply
272,800.87x = 409,262.36 × 83,278.08 - Step 4: Simplify right side
272,800.87x = 34,082,583,140.68 - Step 5: Solve for x
x = 34,082,583,140.68/272,800.87 - Step 6: Final answer
x = 124,935.76
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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.