Finding the Fourth Proportional to 395,552.15, 545,864.59 and 214,264.08
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Solution
The fourth proportional to 395,552.15, 545,864.59 and 214,264.08 is: 295,685.85
Step by Step Solution
- Step 1: Write the proportion equation
395,552.15 : 545,864.59 = 214,264.08 : x - Step 2: Convert to fraction form
395,552.15/545,864.59 = 214,264.08/x - Step 3: Cross multiply
395,552.15x = 545,864.59 × 214,264.08 - Step 4: Simplify right side
395,552.15x = 116,959,173,645.27 - Step 5: Solve for x
x = 116,959,173,645.27/395,552.15 - Step 6: Final answer
x = 295,685.85
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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.