Finding the Fourth Proportional to 98,014.64, 135,273.12 and 95,345.96
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Solution
The fourth proportional to 98,014.64, 135,273.12 and 95,345.96 is: 131,589.99
Step by Step Solution
- Step 1: Write the proportion equation
98,014.64 : 135,273.12 = 95,345.96 : x - Step 2: Convert to fraction form
98,014.64/135,273.12 = 95,345.96/x - Step 3: Cross multiply
98,014.64x = 135,273.12 × 95,345.96 - Step 4: Simplify right side
98,014.64x = 12,897,745,488.60 - Step 5: Solve for x
x = 12,897,745,488.60/98,014.64 - Step 6: Final answer
x = 131,589.99
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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.