Finding the Fourth Proportional to 351,344.35, 484,855.10 and 190,199.28
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Solution
The fourth proportional to 351,344.35, 484,855.10 and 190,199.28 is: 262,474.95
Step by Step Solution
- Step 1: Write the proportion equation
351,344.35 : 484,855.10 = 190,199.28 : x - Step 2: Convert to fraction form
351,344.35/484,855.10 = 190,199.28/x - Step 3: Cross multiply
351,344.35x = 484,855.10 × 190,199.28 - Step 4: Simplify right side
351,344.35x = 92,219,091,943.53 - Step 5: Solve for x
x = 92,219,091,943.53/351,344.35 - Step 6: Final answer
x = 262,474.95
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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.