Finding the Fourth Proportional to 331,659.99, 457,703.16 and 188,444.31
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Solution
The fourth proportional to 331,659.99, 457,703.16 and 188,444.31 is: 260,060.18
Step by Step Solution
- Step 1: Write the proportion equation
331,659.99 : 457,703.16 = 188,444.31 : x - Step 2: Convert to fraction form
331,659.99/457,703.16 = 188,444.31/x - Step 3: Cross multiply
331,659.99x = 457,703.16 × 188,444.31 - Step 4: Simplify right side
331,659.99x = 86,251,556,171.02 - Step 5: Solve for x
x = 86,251,556,171.02/331,659.99 - Step 6: Final answer
x = 260,060.18
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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.