Finding the Fourth Proportional to 319,763.74, 441,274.92 and 174,569.76
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Solution
The fourth proportional to 319,763.74, 441,274.92 and 174,569.76 is: 240,906.79
Step by Step Solution
- Step 1: Write the proportion equation
319,763.74 : 441,274.92 = 174,569.76 : x - Step 2: Convert to fraction form
319,763.74/441,274.92 = 174,569.76/x - Step 3: Cross multiply
319,763.74x = 441,274.92 × 174,569.76 - Step 4: Simplify right side
319,763.74x = 77,033,256,878.42 - Step 5: Solve for x
x = 77,033,256,878.42/319,763.74 - Step 6: Final answer
x = 240,906.79
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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.