Finding the Fourth Proportional to 236,257.44, 354,282.18 and 86,458.80
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Solution
The fourth proportional to 236,257.44, 354,282.18 and 86,458.80 is: 129,650.15
Step by Step Solution
- Step 1: Write the proportion equation
236,257.44 : 354,282.18 = 86,458.80 : x - Step 2: Convert to fraction form
236,257.44/354,282.18 = 86,458.80/x - Step 3: Cross multiply
236,257.44x = 354,282.18 × 86,458.80 - Step 4: Simplify right side
236,257.44x = 30,630,812,144.18 - Step 5: Solve for x
x = 30,630,812,144.18/236,257.44 - Step 6: Final answer
x = 129,650.15
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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.