Finding the Fourth Proportional to 212,040.48, 292,658.42 and 125,982.90
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Solution
The fourth proportional to 212,040.48, 292,658.42 and 125,982.90 is: 173,881.68
Step by Step Solution
- Step 1: Write the proportion equation
212,040.48 : 292,658.42 = 125,982.90 : x - Step 2: Convert to fraction form
212,040.48/292,658.42 = 125,982.90/x - Step 3: Cross multiply
212,040.48x = 292,658.42 × 125,982.90 - Step 4: Simplify right side
212,040.48x = 36,869,955,831.10 - Step 5: Solve for x
x = 36,869,955,831.10/212,040.48 - Step 6: Final answer
x = 173,881.68
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1.5x scale
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.