Finding the Fourth Proportional to 313,759.99, 432,992.14 and 170,520.04
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Solution
The fourth proportional to 313,759.99, 432,992.14 and 170,520.04 is: 235,319.47
Step by Step Solution
- Step 1: Write the proportion equation
313,759.99 : 432,992.14 = 170,520.04 : x - Step 2: Convert to fraction form
313,759.99/432,992.14 = 170,520.04/x - Step 3: Cross multiply
313,759.99x = 432,992.14 × 170,520.04 - Step 4: Simplify right side
313,759.99x = 73,833,835,523.71 - Step 5: Solve for x
x = 73,833,835,523.71/313,759.99 - Step 6: Final answer
x = 235,319.47
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1.5x scale
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.