Finding the Fourth Proportional to 115,282.92, 159,086.50 and 63,602.08
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Solution
The fourth proportional to 115,282.92, 159,086.50 and 63,602.08 is: 87,768.70
Step by Step Solution
- Step 1: Write the proportion equation
115,282.92 : 159,086.50 = 63,602.08 : x - Step 2: Convert to fraction form
115,282.92/159,086.50 = 63,602.08/x - Step 3: Cross multiply
115,282.92x = 159,086.50 × 63,602.08 - Step 4: Simplify right side
115,282.92x = 10,118,232,299.92 - Step 5: Solve for x
x = 10,118,232,299.92/115,282.92 - Step 6: Final answer
x = 87,768.70
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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.