Finding the Fourth Proportional to 122,684.98, 184,027.51 and 38,451.68
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Solution
The fourth proportional to 122,684.98, 184,027.51 and 38,451.68 is: 57,677.53
Step by Step Solution
- Step 1: Write the proportion equation
122,684.98 : 184,027.51 = 38,451.68 : x - Step 2: Convert to fraction form
122,684.98/184,027.51 = 38,451.68/x - Step 3: Cross multiply
122,684.98x = 184,027.51 × 38,451.68 - Step 4: Simplify right side
122,684.98x = 7,076,165,909.45 - Step 5: Solve for x
x = 7,076,165,909.45/122,684.98 - Step 6: Final answer
x = 57,677.53
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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.