Finding the Fourth Proportional to 320,930.05, 442,890.37 and 175,741.96
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Solution
The fourth proportional to 320,930.05, 442,890.37 and 175,741.96 is: 242,527.68
Step by Step Solution
- Step 1: Write the proportion equation
320,930.05 : 442,890.37 = 175,741.96 : x - Step 2: Convert to fraction form
320,930.05/442,890.37 = 175,741.96/x - Step 3: Cross multiply
320,930.05x = 442,890.37 × 175,741.96 - Step 4: Simplify right side
320,930.05x = 77,834,419,474.47 - Step 5: Solve for x
x = 77,834,419,474.47/320,930.05 - Step 6: Final answer
x = 242,527.68
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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.