Finding the Fourth Proportional to 317,688.88, 476,544.76 and 159,831.44
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Solution
The fourth proportional to 317,688.88, 476,544.76 and 159,831.44 is: 239,752.92
Step by Step Solution
- Step 1: Write the proportion equation
317,688.88 : 476,544.76 = 159,831.44 : x - Step 2: Convert to fraction form
317,688.88/476,544.76 = 159,831.44/x - Step 3: Cross multiply
317,688.88x = 476,544.76 × 159,831.44 - Step 4: Simplify right side
317,688.88x = 76,166,835,215.25 - Step 5: Solve for x
x = 76,166,835,215.25/317,688.88 - Step 6: Final answer
x = 239,752.92
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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.