Finding the Fourth Proportional to 367,442.13, 551,163.20 and 118,124.13
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Solution
The fourth proportional to 367,442.13, 551,163.20 and 118,124.13 is: 177,186.20
Step by Step Solution
- Step 1: Write the proportion equation
367,442.13 : 551,163.20 = 118,124.13 : x - Step 2: Convert to fraction form
367,442.13/551,163.20 = 118,124.13/x - Step 3: Cross multiply
367,442.13x = 551,163.20 × 118,124.13 - Step 4: Simplify right side
367,442.13x = 65,105,673,488.02 - Step 5: Solve for x
x = 65,105,673,488.02/367,442.13 - Step 6: Final answer
x = 177,186.20
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1.5x scale
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.