Finding the Fourth Proportional to 367,415.42, 551,157.98 and 142,793.19
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Solution
The fourth proportional to 367,415.42, 551,157.98 and 142,793.19 is: 214,203.33
Step by Step Solution
- Step 1: Write the proportion equation
367,415.42 : 551,157.98 = 142,793.19 : x - Step 2: Convert to fraction form
367,415.42/551,157.98 = 142,793.19/x - Step 3: Cross multiply
367,415.42x = 551,157.98 × 142,793.19 - Step 4: Simplify right side
367,415.42x = 78,701,605,444.19 - Step 5: Solve for x
x = 78,701,605,444.19/367,415.42 - Step 6: Final answer
x = 214,203.33
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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.