Finding the Fourth Proportional to 98,267.87, 135,614.48 and 55,260.90
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Solution
The fourth proportional to 98,267.87, 135,614.48 and 55,260.90 is: 76,262.75
Step by Step Solution
- Step 1: Write the proportion equation
98,267.87 : 135,614.48 = 55,260.90 : x - Step 2: Convert to fraction form
98,267.87/135,614.48 = 55,260.90/x - Step 3: Cross multiply
98,267.87x = 135,614.48 × 55,260.90 - Step 4: Simplify right side
98,267.87x = 7,494,177,941.53 - Step 5: Solve for x
x = 7,494,177,941.53/98,267.87 - Step 6: Final answer
x = 76,262.75
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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.