Finding the Fourth Proportional to 636,420.36, 954,613.44 and 156,652.44
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Solution
The fourth proportional to 636,420.36, 954,613.44 and 156,652.44 is: 234,974.45
Step by Step Solution
- Step 1: Write the proportion equation
636,420.36 : 954,613.44 = 156,652.44 : x - Step 2: Convert to fraction form
636,420.36/954,613.44 = 156,652.44/x - Step 3: Cross multiply
636,420.36x = 954,613.44 × 156,652.44 - Step 4: Simplify right side
636,420.36x = 149,542,524,632.79 - Step 5: Solve for x
x = 149,542,524,632.79/636,420.36 - Step 6: Final answer
x = 234,974.45
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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.