Finding the Fourth Proportional to 478,986.08, 718,479.17 and 194,831.19
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Solution
The fourth proportional to 478,986.08, 718,479.17 and 194,831.19 is: 292,246.81
Step by Step Solution
- Step 1: Write the proportion equation
478,986.08 : 718,479.17 = 194,831.19 : x - Step 2: Convert to fraction form
478,986.08/718,479.17 = 194,831.19/x - Step 3: Cross multiply
478,986.08x = 718,479.17 × 194,831.19 - Step 4: Simplify right side
478,986.08x = 139,982,150,707.16 - Step 5: Solve for x
x = 139,982,150,707.16/478,986.08 - Step 6: Final answer
x = 292,246.81
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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.