Finding the Fourth Proportional to 272,960.76, 376,697.50 and 152,102.18
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Solution
The fourth proportional to 272,960.76, 376,697.50 and 152,102.18 is: 209,907.50
Step by Step Solution
- Step 1: Write the proportion equation
272,960.76 : 376,697.50 = 152,102.18 : x - Step 2: Convert to fraction form
272,960.76/376,697.50 = 152,102.18/x - Step 3: Cross multiply
272,960.76x = 376,697.50 × 152,102.18 - Step 4: Simplify right side
272,960.76x = 57,296,510,950.55 - Step 5: Solve for x
x = 57,296,510,950.55/272,960.76 - Step 6: Final answer
x = 209,907.50
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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.