Finding the Fourth Proportional to 190,919.36, 263,461.30 and 106,041.80
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Solution
The fourth proportional to 190,919.36, 263,461.30 and 106,041.80 is: 146,333.56
Step by Step Solution
- Step 1: Write the proportion equation
190,919.36 : 263,461.30 = 106,041.80 : x - Step 2: Convert to fraction form
190,919.36/263,461.30 = 106,041.80/x - Step 3: Cross multiply
190,919.36x = 263,461.30 × 106,041.80 - Step 4: Simplify right side
190,919.36x = 27,937,910,482.34 - Step 5: Solve for x
x = 27,937,910,482.34/190,919.36 - Step 6: Final answer
x = 146,333.56
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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.