Finding the Fourth Proportional to 157,451.21, 236,169.65 and 50,840.09
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Solution
The fourth proportional to 157,451.21, 236,169.65 and 50,840.09 is: 76,257.82
Step by Step Solution
- Step 1: Write the proportion equation
157,451.21 : 236,169.65 = 50,840.09 : x - Step 2: Convert to fraction form
157,451.21/236,169.65 = 50,840.09/x - Step 3: Cross multiply
157,451.21x = 236,169.65 × 50,840.09 - Step 4: Simplify right side
157,451.21x = 12,006,886,597.49 - Step 5: Solve for x
x = 12,006,886,597.49/157,451.21 - Step 6: Final answer
x = 76,257.82
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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.