Finding the Fourth Proportional to 622,682.68, 859,323.18 and 368,251.96
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Solution
The fourth proportional to 622,682.68, 859,323.18 and 368,251.96 is: 508,200.17
Step by Step Solution
- Step 1: Write the proportion equation
622,682.68 : 859,323.18 = 368,251.96 : x - Step 2: Convert to fraction form
622,682.68/859,323.18 = 368,251.96/x - Step 3: Cross multiply
622,682.68x = 859,323.18 × 368,251.96 - Step 4: Simplify right side
622,682.68x = 316,447,445,308.43 - Step 5: Solve for x
x = 316,447,445,308.43/622,682.68 - Step 6: Final answer
x = 508,200.17
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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.