Finding the Fourth Proportional to 156,987.70, 235,438.35 and 63,502.90
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Solution
The fourth proportional to 156,987.70, 235,438.35 and 63,502.90 is: 95,236.88
Step by Step Solution
- Step 1: Write the proportion equation
156,987.70 : 235,438.35 = 63,502.90 : x - Step 2: Convert to fraction form
156,987.70/235,438.35 = 63,502.90/x - Step 3: Cross multiply
156,987.70x = 235,438.35 × 63,502.90 - Step 4: Simplify right side
156,987.70x = 14,951,017,996.22 - Step 5: Solve for x
x = 14,951,017,996.22/156,987.70 - Step 6: Final answer
x = 95,236.88
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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.