Finding the Fourth Proportional to 143,146.42, 214,652.99 and 53,126.44
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Solution
The fourth proportional to 143,146.42, 214,652.99 and 53,126.44 is: 79,664.93
Step by Step Solution
- Step 1: Write the proportion equation
143,146.42 : 214,652.99 = 53,126.44 : x - Step 2: Convert to fraction form
143,146.42/214,652.99 = 53,126.44/x - Step 3: Cross multiply
143,146.42x = 214,652.99 × 53,126.44 - Step 4: Simplify right side
143,146.42x = 11,403,748,790.24 - Step 5: Solve for x
x = 11,403,748,790.24/143,146.42 - Step 6: Final answer
x = 79,664.93
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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.