Finding the Fourth Proportional to 250,101.88, 345,140.60 and 136,924.63
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Solution
The fourth proportional to 250,101.88, 345,140.60 and 136,924.63 is: 188,955.99
Step by Step Solution
- Step 1: Write the proportion equation
250,101.88 : 345,140.60 = 136,924.63 : x - Step 2: Convert to fraction form
250,101.88/345,140.60 = 136,924.63/x - Step 3: Cross multiply
250,101.88x = 345,140.60 × 136,924.63 - Step 4: Simplify right side
250,101.88x = 47,258,247,405.50 - Step 5: Solve for x
x = 47,258,247,405.50/250,101.88 - Step 6: Final answer
x = 188,955.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.