Finding the Fourth Proportional to 457,687.26, 631,645.68 and 253,802.09
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Solution
The fourth proportional to 457,687.26, 631,645.68 and 253,802.09 is: 350,267.54
Step by Step Solution
- Step 1: Write the proportion equation
457,687.26 : 631,645.68 = 253,802.09 : x - Step 2: Convert to fraction form
457,687.26/631,645.68 = 253,802.09/x - Step 3: Cross multiply
457,687.26x = 631,645.68 × 253,802.09 - Step 4: Simplify right side
457,687.26x = 160,312,990,565.24 - Step 5: Solve for x
x = 160,312,990,565.24/457,687.26 - Step 6: Final answer
x = 350,267.54
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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.