Finding the Fourth Proportional to 555,129.76, 832,809.84 and 222,731.68
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Solution
The fourth proportional to 555,129.76, 832,809.84 and 222,731.68 is: 334,143.74
Step by Step Solution
- Step 1: Write the proportion equation
555,129.76 : 832,809.84 = 222,731.68 : x - Step 2: Convert to fraction form
555,129.76/832,809.84 = 222,731.68/x - Step 3: Cross multiply
555,129.76x = 832,809.84 × 222,731.68 - Step 4: Simplify right side
555,129.76x = 185,493,134,783.73 - Step 5: Solve for x
x = 185,493,134,783.73/555,129.76 - Step 6: Final answer
x = 334,143.74
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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.