Finding the Fourth Proportional to 251,881.20, 377,733.78 and 74,341.08
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Solution
The fourth proportional to 251,881.20, 377,733.78 and 74,341.08 is: 111,485.64
Step by Step Solution
- Step 1: Write the proportion equation
251,881.20 : 377,733.78 = 74,341.08 : x - Step 2: Convert to fraction form
251,881.20/377,733.78 = 74,341.08/x - Step 3: Cross multiply
251,881.20x = 377,733.78 × 74,341.08 - Step 4: Simplify right side
251,881.20x = 28,081,137,157.68 - Step 5: Solve for x
x = 28,081,137,157.68/251,881.20 - Step 6: Final answer
x = 111,485.64
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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.