Finding the Fourth Proportional to 98,473.24, 135,861.06 and 58,188.16
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Solution
The fourth proportional to 98,473.24, 135,861.06 and 58,188.16 is: 80,280.75
Step by Step Solution
- Step 1: Write the proportion equation
98,473.24 : 135,861.06 = 58,188.16 : x - Step 2: Convert to fraction form
98,473.24/135,861.06 = 58,188.16/x - Step 3: Cross multiply
98,473.24x = 135,861.06 × 58,188.16 - Step 4: Simplify right side
98,473.24x = 7,905,505,097.05 - Step 5: Solve for x
x = 7,905,505,097.05/98,473.24 - Step 6: Final answer
x = 80,280.75
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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.