Finding the Fourth Proportional to 316,748.94, 436,763.28 and 201,845.58
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Solution
The fourth proportional to 316,748.94, 436,763.28 and 201,845.58 is: 278,323.70
Step by Step Solution
- Step 1: Write the proportion equation
316,748.94 : 436,763.28 = 201,845.58 : x - Step 2: Convert to fraction form
316,748.94/436,763.28 = 201,845.58/x - Step 3: Cross multiply
316,748.94x = 436,763.28 × 201,845.58 - Step 4: Simplify right side
316,748.94x = 88,158,737,574.30 - Step 5: Solve for x
x = 88,158,737,574.30/316,748.94 - Step 6: Final answer
x = 278,323.70
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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.