Finding the Fourth Proportional to 328,831.27, 453,757.08 and 192,840.21
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Solution
The fourth proportional to 328,831.27, 453,757.08 and 192,840.21 is: 266,101.85
Step by Step Solution
- Step 1: Write the proportion equation
328,831.27 : 453,757.08 = 192,840.21 : x - Step 2: Convert to fraction form
328,831.27/453,757.08 = 192,840.21/x - Step 3: Cross multiply
328,831.27x = 453,757.08 × 192,840.21 - Step 4: Simplify right side
328,831.27x = 87,502,610,596.19 - Step 5: Solve for x
x = 87,502,610,596.19/328,831.27 - Step 6: Final answer
x = 266,101.85
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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.