Finding the Fourth Proportional to 412,741.44, 618,187.68 and 358,741.44
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Solution
The fourth proportional to 412,741.44, 618,187.68 and 358,741.44 is: 537,308.63
Step by Step Solution
- Step 1: Write the proportion equation
412,741.44 : 618,187.68 = 358,741.44 : x - Step 2: Convert to fraction form
412,741.44/618,187.68 = 358,741.44/x - Step 3: Cross multiply
412,741.44x = 618,187.68 × 358,741.44 - Step 4: Simplify right side
412,741.44x = 221,769,538,513.46 - Step 5: Solve for x
x = 221,769,538,513.46/412,741.44 - Step 6: Final answer
x = 537,308.63
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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.