Finding the Fourth Proportional to 340,278.14, 510,493.14 and 103,639.08
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Solution
The fourth proportional to 340,278.14, 510,493.14 and 103,639.08 is: 155,481.75
Step by Step Solution
- Step 1: Write the proportion equation
340,278.14 : 510,493.14 = 103,639.08 : x - Step 2: Convert to fraction form
340,278.14/510,493.14 = 103,639.08/x - Step 3: Cross multiply
340,278.14x = 510,493.14 × 103,639.08 - Step 4: Simplify right side
340,278.14x = 52,907,039,375.91 - Step 5: Solve for x
x = 52,907,039,375.91/340,278.14 - Step 6: Final answer
x = 155,481.75
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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.