Finding the Fourth Proportional to 162,451.62, 224,182.62 and 90,831.42
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Solution
The fourth proportional to 162,451.62, 224,182.62 and 90,831.42 is: 125,347.02
Step by Step Solution
- Step 1: Write the proportion equation
162,451.62 : 224,182.62 = 90,831.42 : x - Step 2: Convert to fraction form
162,451.62/224,182.62 = 90,831.42/x - Step 3: Cross multiply
162,451.62x = 224,182.62 × 90,831.42 - Step 4: Simplify right side
162,451.62x = 20,362,825,713.92 - Step 5: Solve for x
x = 20,362,825,713.92/162,451.62 - Step 6: Final answer
x = 125,347.02
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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.