Finding the Fourth Proportional to 545,694.63, 818,536.19 and 213,267.75
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Solution
The fourth proportional to 545,694.63, 818,536.19 and 213,267.75 is: 319,899.37
Step by Step Solution
- Step 1: Write the proportion equation
545,694.63 : 818,536.19 = 213,267.75 : x - Step 2: Convert to fraction form
545,694.63/818,536.19 = 213,267.75/x - Step 3: Cross multiply
545,694.63x = 818,536.19 × 213,267.75 - Step 4: Simplify right side
545,694.63x = 174,567,370,468.53 - Step 5: Solve for x
x = 174,567,370,468.53/545,694.63 - Step 6: Final answer
x = 319,899.37
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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.