Finding the Fourth Proportional to 129,953.46, 194,820.84 and 63,359.31
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Solution
The fourth proportional to 129,953.46, 194,820.84 and 63,359.31 is: 94,985.65
Step by Step Solution
- Step 1: Write the proportion equation
129,953.46 : 194,820.84 = 63,359.31 : x - Step 2: Convert to fraction form
129,953.46/194,820.84 = 63,359.31/x - Step 3: Cross multiply
129,953.46x = 194,820.84 × 63,359.31 - Step 4: Simplify right side
129,953.46x = 12,343,713,996.02 - Step 5: Solve for x
x = 12,343,713,996.02/129,953.46 - Step 6: Final answer
x = 94,985.65
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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.