Finding the Fourth Proportional to 313,565.99, 432,720.73 and 170,326.14
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Solution
The fourth proportional to 313,565.99, 432,720.73 and 170,326.14 is: 235,049.90
Step by Step Solution
- Step 1: Write the proportion equation
313,565.99 : 432,720.73 = 170,326.14 : x - Step 2: Convert to fraction form
313,565.99/432,720.73 = 170,326.14/x - Step 3: Cross multiply
313,565.99x = 432,720.73 × 170,326.14 - Step 4: Simplify right side
313,565.99x = 73,703,652,663.14 - Step 5: Solve for x
x = 73,703,652,663.14/313,565.99 - Step 6: Final answer
x = 235,049.90
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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.