Finding the Fourth Proportional to 121,570.14, 182,675.93 and 65,451.74
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Solution
The fourth proportional to 121,570.14, 182,675.93 and 65,451.74 is: 98,350.28
Step by Step Solution
- Step 1: Write the proportion equation
121,570.14 : 182,675.93 = 65,451.74 : x - Step 2: Convert to fraction form
121,570.14/182,675.93 = 65,451.74/x - Step 3: Cross multiply
121,570.14x = 182,675.93 × 65,451.74 - Step 4: Simplify right side
121,570.14x = 11,956,457,474.62 - Step 5: Solve for x
x = 11,956,457,474.62/121,570.14 - Step 6: Final answer
x = 98,350.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.