Finding the Fourth Proportional to 395,070.83, 545,199.19 and 213,782.76
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Solution
The fourth proportional to 395,070.83, 545,199.19 and 213,782.76 is: 295,020.99
Step by Step Solution
- Step 1: Write the proportion equation
395,070.83 : 545,199.19 = 213,782.76 : x - Step 2: Convert to fraction form
395,070.83/545,199.19 = 213,782.76/x - Step 3: Cross multiply
395,070.83x = 545,199.19 × 213,782.76 - Step 4: Simplify right side
395,070.83x = 116,554,187,587.96 - Step 5: Solve for x
x = 116,554,187,587.96/395,070.83 - Step 6: Final answer
x = 295,020.99
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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.