Finding the Fourth Proportional to 471,690.24, 650,934.09 and 256,831.59
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Solution
The fourth proportional to 471,690.24, 650,934.09 and 256,831.59 is: 354,428.45
Step by Step Solution
- Step 1: Write the proportion equation
471,690.24 : 650,934.09 = 256,831.59 : x - Step 2: Convert to fraction form
471,690.24/650,934.09 = 256,831.59/x - Step 3: Cross multiply
471,690.24x = 650,934.09 × 256,831.59 - Step 4: Simplify right side
471,690.24x = 167,180,439,760.91 - Step 5: Solve for x
x = 167,180,439,760.91/471,690.24 - Step 6: Final answer
x = 354,428.45
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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.