Finding the Fourth Proportional to 441,643.05, 609,470.33 and 250,659.63
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Solution
The fourth proportional to 441,643.05, 609,470.33 and 250,659.63 is: 345,911.94
Step by Step Solution
- Step 1: Write the proportion equation
441,643.05 : 609,470.33 = 250,659.63 : x - Step 2: Convert to fraction form
441,643.05/609,470.33 = 250,659.63/x - Step 3: Cross multiply
441,643.05x = 609,470.33 × 250,659.63 - Step 4: Simplify right side
441,643.05x = 152,769,606,160.48 - Step 5: Solve for x
x = 152,769,606,160.48/441,643.05 - Step 6: Final answer
x = 345,911.94
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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.