Finding the Fourth Proportional to 493,791.72, 740,534.46 and 178,207.62
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Solution
The fourth proportional to 493,791.72, 740,534.46 and 178,207.62 is: 267,256.17
Step by Step Solution
- Step 1: Write the proportion equation
493,791.72 : 740,534.46 = 178,207.62 : x - Step 2: Convert to fraction form
493,791.72/740,534.46 = 178,207.62/x - Step 3: Cross multiply
493,791.72x = 740,534.46 × 178,207.62 - Step 4: Simplify right side
493,791.72x = 131,968,883,644.59 - Step 5: Solve for x
x = 131,968,883,644.59/493,791.72 - Step 6: Final answer
x = 267,256.17
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.