Finding the Fourth Proportional to 348,078.26, 480,435.09 and 213,864.50
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Solution
The fourth proportional to 348,078.26, 480,435.09 and 213,864.50 is: 295,186.52
Step by Step Solution
- Step 1: Write the proportion equation
348,078.26 : 480,435.09 = 213,864.50 : x - Step 2: Convert to fraction form
348,078.26/480,435.09 = 213,864.50/x - Step 3: Cross multiply
348,078.26x = 480,435.09 × 213,864.50 - Step 4: Simplify right side
348,078.26x = 102,748,010,305.31 - Step 5: Solve for x
x = 102,748,010,305.31/348,078.26 - Step 6: Final answer
x = 295,186.52
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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.