Finding the Fourth Proportional to 109,831.32, 151,565.58 and 62,082.99
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Solution
The fourth proportional to 109,831.32, 151,565.58 and 62,082.99 is: 85,673.60
Step by Step Solution
- Step 1: Write the proportion equation
109,831.32 : 151,565.58 = 62,082.99 : x - Step 2: Convert to fraction form
109,831.32/151,565.58 = 62,082.99/x - Step 3: Cross multiply
109,831.32x = 151,565.58 × 62,082.99 - Step 4: Simplify right side
109,831.32x = 9,409,644,387.48 - Step 5: Solve for x
x = 9,409,644,387.48/109,831.32 - Step 6: Final answer
x = 85,673.60
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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.