Finding the Fourth Proportional to 395,318.99, 592,357.55 and 305,581.58
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Solution
The fourth proportional to 395,318.99, 592,357.55 and 305,581.58 is: 457,892.39
Step by Step Solution
- Step 1: Write the proportion equation
395,318.99 : 592,357.55 = 305,581.58 : x - Step 2: Convert to fraction form
395,318.99/592,357.55 = 305,581.58/x - Step 3: Cross multiply
395,318.99x = 592,357.55 × 305,581.58 - Step 4: Simplify right side
395,318.99x = 181,013,556,053.93 - Step 5: Solve for x
x = 181,013,556,053.93/395,318.99 - Step 6: Final answer
x = 457,892.39
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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.