Finding the Fourth Proportional to 348,515.46, 480,949.11 and 193,465.08
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Solution
The fourth proportional to 348,515.46, 480,949.11 and 193,465.08 is: 266,980.58
Step by Step Solution
- Step 1: Write the proportion equation
348,515.46 : 480,949.11 = 193,465.08 : x - Step 2: Convert to fraction form
348,515.46/480,949.11 = 193,465.08/x - Step 3: Cross multiply
348,515.46x = 480,949.11 × 193,465.08 - Step 4: Simplify right side
348,515.46x = 93,046,858,042.08 - Step 5: Solve for x
x = 93,046,858,042.08/348,515.46 - Step 6: Final answer
x = 266,980.58
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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.