Finding the Fourth Proportional to 368,135.20, 551,425.20 and 305,927.20
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Solution
The fourth proportional to 368,135.20, 551,425.20 and 305,927.20 is: 458,244.60
Step by Step Solution
- Step 1: Write the proportion equation
368,135.20 : 551,425.20 = 305,927.20 : x - Step 2: Convert to fraction form
368,135.20/551,425.20 = 305,927.20/x - Step 3: Cross multiply
368,135.20x = 551,425.20 × 305,927.20 - Step 4: Simplify right side
368,135.20x = 168,695,967,445.44 - Step 5: Solve for x
x = 168,695,967,445.44/368,135.20 - Step 6: Final answer
x = 458,244.60
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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.