Finding the Fourth Proportional to 147,565.32, 203,619.60 and 83,896.08
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Solution
The fourth proportional to 147,565.32, 203,619.60 and 83,896.08 is: 115,764.91
Step by Step Solution
- Step 1: Write the proportion equation
147,565.32 : 203,619.60 = 83,896.08 : x - Step 2: Convert to fraction form
147,565.32/203,619.60 = 83,896.08/x - Step 3: Cross multiply
147,565.32x = 203,619.60 × 83,896.08 - Step 4: Simplify right side
147,565.32x = 17,082,886,251.17 - Step 5: Solve for x
x = 17,082,886,251.17/147,565.32 - Step 6: Final answer
x = 115,764.91
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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.