Finding the Fourth Proportional to 156,408.18, 234,576.33 and 93,246.18
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Solution
The fourth proportional to 156,408.18, 234,576.33 and 93,246.18 is: 139,847.84
Step by Step Solution
- Step 1: Write the proportion equation
156,408.18 : 234,576.33 = 93,246.18 : x - Step 2: Convert to fraction form
156,408.18/234,576.33 = 93,246.18/x - Step 3: Cross multiply
156,408.18x = 234,576.33 × 93,246.18 - Step 4: Simplify right side
156,408.18x = 21,873,346,690.92 - Step 5: Solve for x
x = 21,873,346,690.92/156,408.18 - Step 6: Final answer
x = 139,847.84
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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.