Finding the Fourth Proportional to 147,325.09, 203,299.06 and 86,881.88
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Solution
The fourth proportional to 147,325.09, 203,299.06 and 86,881.88 is: 119,891.35
Step by Step Solution
- Step 1: Write the proportion equation
147,325.09 : 203,299.06 = 86,881.88 : x - Step 2: Convert to fraction form
147,325.09/203,299.06 = 86,881.88/x - Step 3: Cross multiply
147,325.09x = 203,299.06 × 86,881.88 - Step 4: Simplify right side
147,325.09x = 17,663,004,535.03 - Step 5: Solve for x
x = 17,663,004,535.03/147,325.09 - Step 6: Final answer
x = 119,891.35
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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.