Finding the Fourth Proportional to 395,565.76, 545,883.36 and 214,277.68
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Solution
The fourth proportional to 395,565.76, 545,883.36 and 214,277.68 is: 295,704.61
Step by Step Solution
- Step 1: Write the proportion equation
395,565.76 : 545,883.36 = 214,277.68 : x - Step 2: Convert to fraction form
395,565.76/545,883.36 = 214,277.68/x - Step 3: Cross multiply
395,565.76x = 545,883.36 × 214,277.68 - Step 4: Simplify right side
395,565.76x = 116,970,619,931.41 - Step 5: Solve for x
x = 116,970,619,931.41/395,565.76 - Step 6: Final answer
x = 295,704.61
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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.