Finding the Fourth Proportional to 319,763.74, 441,274.91 and 174,569.75
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Solution
The fourth proportional to 319,763.74, 441,274.91 and 174,569.75 is: 240,906.77
Step by Step Solution
- Step 1: Write the proportion equation
319,763.74 : 441,274.91 = 174,569.75 : x - Step 2: Convert to fraction form
319,763.74/441,274.91 = 174,569.75/x - Step 3: Cross multiply
319,763.74x = 441,274.91 × 174,569.75 - Step 4: Simplify right side
319,763.74x = 77,033,250,719.97 - Step 5: Solve for x
x = 77,033,250,719.97/319,763.74 - Step 6: Final answer
x = 240,906.77
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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.