Finding the Fourth Proportional to 348,895.08, 522,035.28 and 206,215.20
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Solution
The fourth proportional to 348,895.08, 522,035.28 and 206,215.20 is: 308,550.09
Step by Step Solution
- Step 1: Write the proportion equation
348,895.08 : 522,035.28 = 206,215.20 : x - Step 2: Convert to fraction form
348,895.08/522,035.28 = 206,215.20/x - Step 3: Cross multiply
348,895.08x = 522,035.28 × 206,215.20 - Step 4: Simplify right side
348,895.08x = 107,651,609,672.26 - Step 5: Solve for x
x = 107,651,609,672.26/348,895.08 - Step 6: Final answer
x = 308,550.09
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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.