Finding the Fourth Proportional to 156,687.21, 234,995.58 and 56,848.23
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Solution
The fourth proportional to 156,687.21, 234,995.58 and 56,848.23 is: 85,259.56
Step by Step Solution
- Step 1: Write the proportion equation
156,687.21 : 234,995.58 = 56,848.23 : x - Step 2: Convert to fraction form
156,687.21/234,995.58 = 56,848.23/x - Step 3: Cross multiply
156,687.21x = 234,995.58 × 56,848.23 - Step 4: Simplify right side
156,687.21x = 13,359,082,780.82 - Step 5: Solve for x
x = 13,359,082,780.82/156,687.21 - Step 6: Final answer
x = 85,259.56
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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.